Which of these statements is true about adaptive evolution?
adaptive evolution is a permanent change in a trait.
adaptive evolution is a temporary change in a trait.
adaptive evolution is a fluctuating change in a trait.

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

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?

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity