Since the plate is still moving, the extinct
volcanes can tell us

Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d.the size of the geographic area inhabited by a population can cause speciation.

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from