Which of the following statements about the tundra is accurate? A:The tundra has four distinct seasons.

B:Most people who live in the tundra are farmers.

C:The tundra is very cold, but has high levels of precipitation.

D:Despite its cold climate, the tundra is home to numerous species of wildlife, including caribou and reindeer.
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Explanation:

D:Despite its cold climate, the tundra is home to numerous species of wildlife, including caribou and reindeer.

its d

1) gene flow

- it is described as the transfer of genes from one population to another population so that frequency of gene is increased.

-a zebra migrates to join a different herd of zebras.

2) natural selection

- a mechanism of evolutionary change in which individuals with advantageous traits survive and reproduce whereas the others ( those that can not adapt) eliminate from the population.

-competition for sunlight leads to taller trees.

3) mutation

- permanent change in the nucleotide sequence of dna ( genetic material) that could have harmful or useful consequences.

-the dna of a snake changes to make its venom stronger.

4) genetic drift - it is a random phenomenon ( that occurs by chance such as fire) that results in change in the gene frequency in a small population.    

-a grassfire randomly sweeps through a population of buffalo and kills most of the animals.

explanation: