The __ __
help move the chromosomes through the cell.

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

Which of these statements are true about scientific theories and hypothesis

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?