Which of the following are benefits of commensalism? (Choose all that apply) (Don’t put links or I will report!!) A)food
B)transportation
C)protection
D)reproduction

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

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12

What materials must dams have to produce electricity, and what must occur?