All of the living and nonliving things in a given area that interact with one another make a an

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.