Several different species make up a?
a. kingdom
b. family
c. genus
d. phylum

Twind is considered to be an abiotic factor because it.?

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

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet?