Crossing over happens during a. anaphase 1. b. metaphase 1. c. any phase in meiosis. d. prophase 1.

According to the theory of punctuated equilibrium, at what rate does speciation occur? species change depending on the rate of natural selection. after periods of stasis, new species evolve relatively rapidly. species change slowly and eventually form new species. some species change quickly and others change slowly to balance the overall rate.

What occurs to the cell during mitosis

Stem cells found adult tissue such as in bone marrow brain muscle skin and liver are only capable of what