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CORAL REEF
Kyle, Lauren, Amelia
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WHERE IS ECOSYSTEM LOCATED?
• LOCATED IN THE TROPICS [WARM SEAS] NORTH AND SOUTH OF EQUATOR
• TROPICAL OCEANS FOUND ALONG COAST OF MORE THAN 100 COUNTRIES
• ALL CORAL REEFS TOGETHER ARE 110,000 SQUARE MILES, THIS IS THE SIZE OF STATE NEVADA
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DESCRIBE THE ABIOTIC FACTORS OF YOUR ECOSYSTEM
• TEMPERATURE - 70-85 DEGREES FAHRENHEIT
• CORAL REEFS NEED SUNLIGHT TO LIVE
• NEEDS WARM WATER AND SALTY WATER
• WATER ALSO NEEDS OXYGEN
• CORAL NEEDS SANDY SOIL
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PRODUCER: ALGAE. HOW DOES YOUR PRODUCER RELY ON OTHER ORGANISMS
IN THE CORAL REEF TO SURVIVE?
• NEEDS STRONG SUNLIGHT
• NEEDS CLEAR WATER
• LIVES IN POLYPS
• WATER TEMPERATURES 70-85 DEGREES F
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HOW DO OTHER ORGANISMS OF YOUR ECOSYSTEM RELY ON YOUR PRODUCER TO
SURVIVE?
• CORAL POLYPS NEEDS TINY ALGAE TO SURVIVE
• DAMSELFISH, RABBITFISH AND SEA URCHINS EAT ALGAE
• BLUE TANG EAT ALGAE TO SURVIVE
• RED ALGAE AND BRYOZOANS HELP CEMENT REEFS TOGETHER
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HOW DO HUMANS AFFECT YOUR ECOSYSTEM?
NEGATIVE
• PEOPLE BREAK CORALS
• PEOPLE OVERFISH REEFS
• PEOPLE POLLUTE WATER
POSITIVE
• SOME ORGANIZATIONS PROTECT REEFS
• SOME PEOPLE TRY TO REDUCE POLLUTION
• MARINE PARKS PROTECTS REEFS
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CHOOSE ONE BIOTIC FACTOR IN YOUR ECOSYSTEM & DESCRIBE HOW A CHANGE IN ONE OF THESE COULD
AFFECT YOUR ECOSYSTEM? CHANGE: FARMERS USING FERTILIZERS AND CHEMICALS
THAT POLLUTE THE OCEAN
•CHEMICALS MAKE PLANKTON AND ALGAE GROW TOO MUCH
•ALGAE WILL CROWD THE CORAL; THEN THE CORAL DIES
•WHEN CORAL DIES, BLUE TANG (WHICH EATS CORAL) WILL DIE
•WHEN THE BLUE TANG DIES, THE BARRACUDA WILL DIE
•FINALLY, SHARKS WOULD DIE
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OTHER INTERESTING FACTS:
• CORAL REEFS HELP STOP GLOBAL WARMING
• REEFS EXISTED WHEN DINOSAURS WERE ALIVE
• REEFS DIED WHEN DINOSAURS DIED BUT CAME BACK
• REEFS EXISTED ABOUT 400 MILLION YEARS AGO
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SOURCES USED
• JOHANSSON, PHILIP. THE CORAL REEF A COLORFUL WEB OF LIFE. 3RD EDITION. BERKELEY HEIGHTS, NJ: ENSLOW ELEMENTARY, 2008. PRINT.