Pleas help will mark need done by 12am

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?

Why should organisms reproduce more offspring than will survive? select all that apply.

Qué sucede cuando una persona tiene muy poco o demasiado costeroides?