The gradual evolution for the family Equidae (horse family) has been well documented within the fossil record.
Answer:
A living organism's position in the flow of energy through an ecosystem.
Answer:
Smooth muscle tissue
Explanation:
In the diagram it can show you. It is the one in the middle!
Hope this helped!
I would think that the answer would be C! Good Luck, tell me if it's correct please! :D