What are some examples related to the history of life on earth?

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?

In this picture, groups of pigment that capture light energy are located on the