D because no human has the ability to make their own food within themselves.
Explanation:
Plant cell
Is the best example of a eukaryotic
Answer:
Beavers and their dams play an important role in nature. Because of the dramatic effects their dams have on surrounding ecosystems, these mammals are considered a keystone species. By constructing dams they create wetlands -- lush environments which attract fish, ducks, frogs and other creatures.
Explanation: