Can someone help me these questions are based off wetlands write descriptively and long for each question

1. In what ways can we tell plants apart?

2. What evidence did you see that animals are found in and around freshwater wetlands?

3. Why are wetlands important?

4. Was there evidence of climate change effecting wetlands?

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?