How science differs from from other ways of seeking knowledge

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

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?

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs