What is required for natural selection to take place? (HINT: There are 3 requirements)​

Explanation:

Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population.

ORR

Struggle for existence, variation and inheritance. These are said to be the necessary and sufficient conditions for natural selection to occur.

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

population. population is the number of people or animals in a particular place. an example of population is over eight million people living in new york city.

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