A gardener has a white-fruited squash plant he wants to breed to obtain only pure, white-fruited offspring. He doesn't know, however, if the plant he has is homozygous or heterozygous. Show how he could use a test cross to find out.

Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.

How dose plate tectonics effect climate

How are fossils used to date organisms?