Question 6 of 10
5 points
which planet experiences the smallest range of temperatures?
o a mars
o b. venus
o c. earth
o d. mercury

What are two reasons for why a species might disappear from the fossil record?

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

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