Imagine you are surveying a population of a mountain range where the inhabitants live in the valleys with no inhabitants on the large mountains between. If your sample area is the valleys, and you use this to estimate the population across the entire mountain range, will you overestimate or underestimate the actual population size? a) overestimate
b) underestimate
c) neither
d) need more information

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?

Aperson who uses a computer at a desk does not have to worry about safety in the workplace. true or false

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution