Chapter 7 Review

Vocabulary - 

Define each of the following words

1. Explain how chloroplasts and chlorophyll are used in plants. (7.1) 

2. Explain how photosynthesis and cellular respiration are similar and how they are different. (7.1) 

3. Where do saturated fats come from? Where do unsaturated fats come from? (7.3) 

4. List in order the energy sources the body seeks out when it needs energy, starting with the source the body goes to first. (7.3) 

5. Metabolism and homeostasis are both related to the way the body functions. What is the difference between the two? (7.2)

6. How do green plants capture energy from the Sun? (7.1) 

7. Is all the energy produced by a plant available to the consumers that eat it? Explain. (7.1)

8. Athletes are preparing for an endurance event. Their coach tells them to carbo. load. How might this help their performance? (7.2) 

9. What types of fats should you limit to help prevent the onset of heart disease? (7.2) 

10. How do metabolic needs change as you grow older? (7.4) 

11. How does a fetus receive nutrients? (7.4)

12. Your friend, a weight lifter, is trying to put on weight for an event. What would you recommend? Explain why. (7.2, 7.3)

13. Scientists warn that there are more obese individuals in Canada today than there were 50 years ago. (7.3, 7.4) 

(a) Why do you think this is? 

(b) What three pieces of advice would you give to a young person who did not want to become obese? 

14. Your friend hates to eat breakfast when she first gets up in the morning. She knows breakfast is important, and she does have two periods of time when she is willing to eat it. One is just as she arrives at school. The other is during break between classes, at 10:45 A .M . Your friend is concerned about gaining weight. Which time would you advise her to eat breakfast? Explain why. (7.3, 7.4)