div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page1jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails1jpg width=140 height=200 adivpHSp pEdexcel IAL Biology Unit 4p pSummary©p pHASAN SAYGINELp pEDEXCEL Advanced Levelpdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page2jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails2jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page3jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails3jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page4jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails4jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page5jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails5jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page6jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails6jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page7jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=7 data-page=7 class=ts-thumb lazyload alt=Page 7: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails7jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=8Page 8button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page8jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=8 data-page=8 class=ts-thumb lazyload alt=Page 8: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails8jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page9jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails9jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page10jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails10jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=11Page 11button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page11jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=11 data-page=11 class=ts-thumb lazyload alt=Page 11: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails11jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page12jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails12jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 13button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page13jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=13 data-page=13 class=ts-thumb lazyload alt=Page 13: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails13jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=14Page 14button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page14jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=14 data-page=14 class=ts-thumb lazyload alt=Page 14: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails14jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=15Page 15button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page15jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=15 data-page=15 class=ts-thumb lazyload alt=Page 15: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails15jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=16Page 16button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page16jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=16 data-page=16 class=ts-thumb lazyload alt=Page 16: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails16jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=17Page 17button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page17jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=17 data-page=17 class=ts-thumb lazyload alt=Page 17: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails17jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=18Page 18button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page18jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=18 data-page=18 class=ts-thumb lazyload alt=Page 18: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails18jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=19Page 19button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page19jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=19 data-page=19 class=ts-thumb lazyload alt=Page 19: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails19jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=20Page 20button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page20jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=20 data-page=20 class=ts-thumb lazyload alt=Page 20: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails20jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=21Page 21button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page21jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=21 data-page=21 class=ts-thumb lazyload alt=Page 21: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails21jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=22Page 22button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page22jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=22 data-page=22 class=ts-thumb lazyload alt=Page 22: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails22jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=23Page 23button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page23jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=23 data-page=23 class=ts-thumb lazyload alt=Page 23: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails23jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=24Page 24button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page24jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=24 data-page=24 class=ts-thumb lazyload alt=Page 24: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails24jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=25Page 25button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page25jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=25 data-page=25 class=ts-thumb lazyload alt=Page 25: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails25jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=26Page 26button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page26jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=26 data-page=26 class=ts-thumb lazyload alt=Page 26: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails26jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=27Page 27button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page27jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=27 data-page=27 class=ts-thumb lazyload alt=Page 27: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails27jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=28Page 28button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page28jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=28 data-page=28 class=ts-thumb lazyload alt=Page 28: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails28jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=29Page 29button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page29jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=29 data-page=29 class=ts-thumb lazyload alt=Page 29: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails29jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=30Page 30button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page30jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=30 data-page=30 class=ts-thumb lazyload alt=Page 30: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails30jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=31Page 31button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page31jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=31 data-page=31 class=ts-thumb lazyload alt=Page 31: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails31jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=32Page 32button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page32jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=32 data-page=32 class=ts-thumb lazyload alt=Page 32: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails32jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=33Page 33button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page33jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=33 data-page=33 class=ts-thumb lazyload alt=Page 33: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails33jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=34Page 34button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page34jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=34 data-page=34 class=ts-thumb lazyload alt=Page 34: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails34jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=35Page 35button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page35jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=35 data-page=35 class=ts-thumb lazyload alt=Page 35: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails35jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=36Page 36button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page36jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=36 data-page=36 class=ts-thumb lazyload alt=Page 36: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails36jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=37Page 37button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page37jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=37 data-page=37 class=ts-thumb lazyload alt=Page 37: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails37jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=38Page 38button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page38jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=38 data-page=38 class=ts-thumb lazyload alt=Page 38: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails38jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=39Page 39button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page39jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=39 data-page=39 class=ts-thumb lazyload alt=Page 39: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails39jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=40Page 40button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page40jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=40 data-page=40 class=ts-thumb lazyload alt=Page 40: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails40jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=41Page 41button div class=ts-imagea href=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5page41jpg target=_blank img data-url=hasan-sayginel-hs-revision-notes-edexcel-ial-biology-unit-4-summary-hasan-sayginelhtmlpage=41 data-page=41 class=ts-thumb lazyload alt=Page 41: HASAN SAYGINEL - HS Revision Notes€¦ · Edexcel IAL Biology Unit 4 Summary© HASAN SAYGINEL EDEXCEL Advanced Level TOPIC 5: ON SIDE e hoo-s 40 i Q ox 0 60 c moeev occurs loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentssitereader043viewer20220331225e934df7f491472ef74d8f60html5thumbnails41jpg width=140 height=200 adivdiv