A population of 50% brown and 50% gray squirrels live in a forest. A forest fire kills 20% of the brown squirrels and 90% of the gray squirrels. The new population of squirrels is now mostly brown squirrels. What type of evolution is presented in the scenario?

answer: oof wait

explanation:

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

correct answer is a. and d.

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: