Which is biotic?
water
tempeture
beeswax
snow

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?

Can a trait be both polygenic and have multiple alleles? explain why or why not.

Which feature would you expect to find in a population in which sexual selection depends on male competition?