Why do capillaries need to be thin walled?
a so only a few nutrients can pass through
b so only a small amount of blood can flow through
c so they can go through the small spaces within the body
d so the exchange of gases and nutrients can happen

Identifying the elements of hypothesis-based science this experiment is an example of hypothesis-based science. what question did the researchers ask? what question did the researchers ask? can predation result in selection for color patterns in guppies? do female guppies prefer to mate with males with bright color patterns or drab colors? do male guppies in pools with pike-cichlid fish have brighter color patterns than females in the pool? do killifish prefer to prey on juvenile guppies or adult guppies?

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

Apatient has an open displaced fracture of the second cervical vertebra. this is her fifth visit and the fracture is healing normally. what icd-10-cm code is reported?