Question

1. ecosystems are comprised of ____________. * 0/6 trees, grasses, deer, wolves, bugs, coyotes, bears rocks, mountains, rivers, lakes, valleys, deserts several different biomes several different populations and abiotic factors

Explanation:

Ecosystems consist of living organisms (multiple populations) and non - living (abiotic) components like sunlight, water, soil. The first option only lists biotic factors, the second only abiotic - like factors in a more landscape sense, and biomes are larger than ecosystems. The correct composition includes populations and abiotic factors.

Answer:

D. several different populations and abiotic factors