At which point in the eukaryotic cell cycle can a dna mutation occur? a g1 phase b g2 phase c s phase d m phase

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million