Enzymes are catalysts because they lower the___ of a chemical reaction

This is a type pf behavior that animals are born with and them to survive

Individuals do not compete directly for resources, but are prey for the same predator

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?