A type of cell division in which the resulting cells have half the chromosome number of the parent is called...

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases

Which of the following was a characteristic of a dromaeosaur? modified front claw grasping with their forelimbs both a and b none of the above

All ova contain sex chromosomes corresponding to: x y xx xy