Change in a gene pool over time is the definition of . A. metabolism

B. evolution

C. homeostasis

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?

In each transformation of energy , some energy what?

What type of pollution does household garbage cause