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Which of the following examples of an ecological study involves the ecosystem level of organization?

1. effects of competition on survival
2. effects of an invasive plant species on birds nesting sites
3. effects of a disease on population size
4. The effects of human activities on biogeochemical cycling

1 Answer

4 votes
As I know, the effects of human activities on biogeochemical cycling are examples of an ecological study involves the ecosystem level of organization.
User Shanewwarren
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