Abird’s ability to fly south when winter weather approaches is an example of a what adaptation?

What re the two main phrases of the cell cycle.

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.