As president, Theodore Roosevelt was persuaded by Gifford Pinchot to refrain from setting aside millions of acres of federal land as wildlife preserves. True

Explanation:

Wildlife preserves can be found in each nation, each condition and each environment. Preserves hold however much of a primitive character as could be expected, acting as sanctuaries for flora and fauna and the characteristic procedures interesting to a considerable lot of these regularly special areas. Preserves are shielded from improvement trying to save their character. Unfortunately, bueracrats and psuedo-conservationalists at times have alterior thoughts of a preserve's purpose.

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:

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