In ecological terms, a population should be defined as a group of:
1. Communities in an ecosystem
2. Species in a community
3. Individuals in a family
4. Individuals in a species
Subtopic:  Introduction to Ecology |
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For the purpose of ecological studies:
I: the level of biological organization, where the study is begun, is the organism.
II: a group of individuals resulting from asexual reproduction is also considered a population.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Introduction to Ecology | Population Attributes |
 73%
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A keystone species in a biological community:
1. is the primary producer.
2. has no significant impact on the community.
3. plays a crucial role in maintaining community structure.
4. is a rare species that must be preserved immediately.
Subtopic:  Introduction to Ecology |
 85%
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