Question

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

Answer 1

The one that is an example of an ecological study of ecosystem level of organization is : 4 The effects of human activities on biogeochemical cycling

To be categorized as ecosystem level of organization,  it need to include the population, community, ecosystem and the biosphere

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