15. 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 a disease on population size
C. The effects of an invasive plant species on bird nesting sites
D. The effects of competition on survival

Question

15.   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 a disease on population size
C. The effects of an invasive plant species on bird nesting sites
D. The effects of competition on survival

anonymous · Answer

someone can help me with this one ?  please  :3

nincompoop · Answer

ecosystem would be like looking from above down to all of biotic and abiotic relationship and how activities have an effect on a global or wide scale

anonymous · Answer

ok.....thx  :)

anonymous · Answer

It's the right answer   :)
and to the people who don't know which one to choose...it's A   :)

jakyfraze · Answer

@1234maria thank you so much :D