Which feature forms as a result of a tectonic plate boundary that creates an underwater mountain range in the open ocean? marsh trench abyssal plain mid-ocean ridge

The answer is; mid-ocean ridge

This geographical feature is found in divergent boundaries where tectonic plates are moving away from each other. The magma from mantle rises (upwells) to replace the void. Therefore, as magma rises and accumulates, as it cools into new crust, it forms mountain ranges along the boundary.

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.

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