Overall, the evolutionary changes observed in the fossil record of the horse family can be understood as adaptations to changes in global:.

Ecosystems involve living organisms interacting with non-living things in a productive way; how is photosynthesis an example of this? answer, i will give brainiest to first person to get it right.

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient