IDENTIFYING CAUSE AND EFFECT
1. Read "Limits on Population Growth" on pp. 881-882 of Biology: The Web of Life. Then answer the following questions.
- a. What causes mice to neglect their young?
- b. What is the effect of this neglect?
- c. What are two effects of increasing population density?
- d. What effect does an increase in the population of a prey species have on the population of a predator species?
- e. What effect does this change in the population of the predator species have on the population of the they prey species?
- b. What is the effect of this neglect?
2. Read "Issues in Biology" on p. 889 of Biology: The Web of Life. Then answer the following questions.
- a. What change in deer population resulted from the
elimination of wolves?
- b. What problems did the change in deer population cause?
- b. What problems did the change in deer population cause?
3. Read "Forests, Soils, and Minerals" on
pp. 920-921 of Biology: The Web of Life. Then answer the
following questions.
- a. What are two causes of soil erosion?
- b. What long-term change can result from soil erosion?
- c. What are two effects of deforestation?
- d. What are three effects of mining?
- b. What long-term change can result from soil erosion?
4. Read "Biodiversity Near Shore" on p. 927 of Biology: The Web of Life. Then answer the following questions.
- a. What are three factors that contribute to the destruction
of coral?
- b. What two chemicals have caused algal blooms in Chesapeake Bay?
- c. What is a second effect of these chemicals?
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Reading Strategy 9.1 | Worksheet 9.1
Reading Strategy 9.2 | Worksheet 9.2
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