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Sidana [21]
2 years ago
6

Environmental factors can influence natural selection because they can increase or decrease and what can they increase or decrea

se in
Biology
1 answer:
zmey [24]2 years ago
8 0

Environmental factors can influence natural selection because they can increase or decrease and what can they increase or decrease in <u>the amount of </u><u>genetic </u><u>variation in a </u><u>population</u><u>.</u>

<u />

<h3>What is natural selection?</h3>

Populations of living things adapt and change through a process called natural selection. A population's members are naturally varied, which means that they are all distinctive in some ways. Because of this variety, some people have characteristics that suit their surroundings more than others.

Four requirements must be met for natural selection to take place: reproduction, inheritance, variety in physical traits, and variation in the number of children produced by each person.

Reproduction:

A population must procreate to produce a new generation in order for natural selection to affect it. Over many generations, people who have the characteristics that are most compatible with their environment tend to breed more than people who don't.

Heredity:

Since the genes of the parents combine to form the DNA of their offspring, heredity and reproduction go hand in hand. Natural selection must operate if parents with favourable qualities pass those traits on to their kids.

Variation in Characteristics:

Only when individuals within a community differ in their personal features can natural selection take place. For instance, different people must have varied colors in order to research natural selection on color within a population. There wouldn't be any traits for nature to "select" over others in the absence of variety in traits.

Fitness Variation:

Compared to its popular notion, fitness has a more technical meaning. Fitness in the context of evolution refers to an organism's capacity for maximum survival and reproduction. Natural selection cannot take place in a population unless its individuals have varying levels of fitness. Some people must have characteristics that make it easier for them to survive and procreate more frequently than others. Otherwise, natural selection cannot act to increase the number of people with advantageous features and decrease the number of people with undesirable qualities.

For more information regarding natural selection, visit:

brainly.com/question/23929271

#SPJ1

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