When the sea otter population began to increase again, the population of many other species began to change. 1.Which factors should scientists measure to learn how each population changed over time?

2.How would scientists know if populations were increasing or decreasing over time?

3.How might the increase in sea otters change the growth patterns of other species?

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of

Is genetic diversity the same as genetic variation?