1.bi_sci_Chapter_6_study_guide_fall_2010

1.bi_sci_Chapter_6_study_guide_fall_2010 - Chapter 6: Study...

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Chapter 6: Study Guide True/False 1. True or false? Predators are animals that consume other animals. Ans: 2. True or false? Ecologists describe growth factors collectively as environmental resistance. Ans: 3. True or false? The ability of an ecosystem to recover from temporary changes in conditions is called resilience. Ans: 4. True or false? Species diversity is a measure of the number of extinct species in an ecosystem. Ans: 5. True or false? Ecosystems can form on barren ground by a process called natural succession. Ans: 6. True or false? The first community established on barren land is called the climax community. Ans: 7. True or false? Climax communities are relatively stable ecosystems believed to be the end point of natural succession. Ans: 8. True or false? Secondary succession occurs after ecological disturbance in an ecosystem. Ans:
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9. True or false? ? Increasing the number of species in an ecosystem is called ecosystem simplification. Ans:
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This note was uploaded on 10/10/2010 for the course BISCI 003 at Pennsylvania State University, University Park.

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1.bi_sci_Chapter_6_study_guide_fall_2010 - Chapter 6: Study...

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