BIOLOGY

Monday 7 Dec 2015

Entry Task

In your notebook… •  Draw a cell within a hypertonic solution and

explain what is happening.

•  Entry Task •  Housekeeping •  Chapter 7 Essential Question •  Section 7.4 (Homeostasis & Cells) •  Chapter 7 Review Questions •  Exit Ticket

Agenda

Housekeeping

Chapter 7 exam will be moved to Thursday, 10 Dec. •  17 MC, 1 SA, 1 Essay •  2 points EC for flash cards of organelles

Diffusion Lab (Room 223) •  Tomorrow Tuesday, 8 Dec. •  The effects of isotonic, hypertonic, & hypotonic

solutions.

7.4 Homeostasis and Cells

Learning Objectives

7.4.1 Explain how unicellular organisms maintain homeostasis. 7.4.2 Explain how multicellular organisms maintain homeostasis.

Cell as an Organism

Homeostasis? •  Process of maintaining a relatively constant internal

physical or chemical condition.

p. 214

Cell as an Organism

How do unicellular organisms accomplish homeostasis? •  Unicellular organisms grow, respond to the

environment, transform energy, & reproduce.

p. 215

Cell as an Organism

How do multicellular organisms accomplish homeostasis? •  The cells become specialized for particular tasks and

communicate with each other.

•  Animals (figure 7-22. p. 215)

•  Plant (figure 7-23, p. 215)

Levels of Organization

Cell Tissue Organ System

Cellular Communication

Communication •  Chemical messages or signals.

•  Receive messages through receptors.

Chapter 7 Assignment

Answer the following questions from p. 220-221 Write the question and answer on a separate sheet of paper for turn in. •  Questions 1-3 (7.1 Life is Cellular) •  Questions 7-12 & 14 (7.2 Cell Structure) •  Questions 15, 16, 18,19, & 20 (7.3 Cell Transport) •  Questions 23 & 24 (7.4 Homeostasis & Cells)

BIOLOGY

Tuesday 8 Dec 2015

Entry Task

In your notebook… •  Can we experiment with hypertonic or hypotonic

solutions? How?

Lab Briefing

•  Exercise Caution and Good Judgment •  Follow all instructions given by the teacher •  Notify the teacher immediately regarding any accident

or unsafe areas •  Exercise Caution and Good Judgment •  Follow all instructions given by the teacher •  Notify the teacher immediately regarding any accident

or unsafe areas

Lab Briefing

•  Handle all equipment carefully •  Do not place a cord where someone can trip over it •  Push all stools in out of the way •  Keep books picked up out of walking isles

Lab Briefing

Remember to… •  Stay at your work station •  Maintain a clean work area •  Read and follow all directions •  Report any spills, accidents, or injury to the teacher

immediately •  Clean and put away all equipment at the end of the

lab period •  Dispose of waste products according to instructions

Diffusion Lab

What will happen to the gummy bear if we place it in a cup of water? How can we test this? How will we know there is a difference? How will we record the difference in the gummy before and after we place it in the water?

Passive Transport

Osmosis (figure 7-18, p. 211):

p. 211

BIOLOGY

Wednesday 9 Dec 2015

Entry Task

Need to take out… •  Organelles Worksheet

•  Chapter 7 Review Questions

•  Lab Worksheet

•  Study Guide

•  Entry Task •  Housekeeping •  Chapter 7 Review •  Exit Ticket

Agenda

Housekeeping

Chapter 7 exam tomorrow, Thursday, 10 Dec. •  17 MC, 1 SA, 1 Essay •  2 points EC for flash cards of organelles. Tomorrow you will turn in… •  Organelles Worksheet, Chapter 7 Questions, Lab

Worksheets, & Study Guide Substitute Friday, 11 Dec. for periods 1-3

Chapter 7 Review

Organelles Worksheet Chapter 7 Questions Diffusion Lab Worksheet Study Guide

BIOLOGY

Thursday 10 Dec 2015

Entry Task

Take out the following: •  Organelles Worksheet •  Chapter 7 Assessment Questions •  Diffusion Lab Worksheet •  Study Guide Take the remaining few minutes to study if needed.

•  Entry Task •  Chapter 7 Exam •  Housekeeping •  Chapter 8 Essential Question •  Section 8.1 (Life is Cellular) •  Exit Ticket

Agenda

Chapter 7 Exam

Clear off your desks. Remember this is an exam. •  No talking. •  Keep your eyes on your own paper. Do not write on the question sheet. When you are finished: •  Place the question sheet and your answer sheet on the

front table face down. •  Silently read p. 226-241 Chapter 8.

Housekeeping

Substitute Friday, 11 Dec. for periods 4-6. Next exam prior to winter break, Thursday, 17 Dec. •  Consist of both Chapter 8 & 9. •  20 MC & 10 SA Science Skills Questions.