Question

Which of the following phrase best defines what an ecosystem is?

A. An ecosystem is all of the biotic and abiotic factors in a given area

B. An ecosystem is all the organisms living in a given area

C. An ecosystem is a large area with a certain temperature and amount of rainfall


D. An ecosystem is all individuals of the same species in the same area

Answer 1

A represents an ecosystem best because it really is made up of abiotic and biotic things

Answer 2

The answer is A because:

B is a community

C is wrong because an ecosystem needs life

D is a population