Ecology

8.Which of the following examples of an ecological study involves the ecosystem level of organization?
A.The effects of human activities on biogeochemical cycling
B.The effects of an invasive plant species on bird nesting sites
C.The effects of competition on survival
D.The effects of a disease on population size

According to my book, ecology is the study of the interaction of organisms with other organisms and with the physical and chimical environment. An ecosystem is the biological community and its abiotic environment , characterized by energy flow and the cycling of inorganic nutrients.

So, would the answer be A.?

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asked by Anonymous
  1. A is correct!

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    posted by Victoria
  2. Yes

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    posted by thobile mabude

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