Adaptive radiations on archipelagos (island chains) represent some of the best-understood speciation events. why is an ancestral species more likely to give rise to multiple descendent species on an archipelago than on an equal-sized area of mainland

Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper

Name three things that show evidence of evolution. write one sentence for each, explaining why it demonstrates evidence. (9 points)

Why is the limitations on supplies of freshwater becoming an increasing problem despite the fact that we have desalination technologies