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3 years ago

Natural selection is a process by which organisms that are better adapted to their environment tend to

2 answers:

5 0

A process by which a particular feature of an organism makes it capable of surviving and reproducing better in the surrounding environment as compared to other members of the species is called natural selection.

Further Explanation:

The theory of natural selection was given by Charles Darwin in the year 1859 as a means of explaining speciation and adaptation. According to him, natural selection is defined as a principle in which even the smallest variation in an individual’s character is preserved and selected if found to be useful for its survival. The organisms whose characteristics are best suitable for a given environmental condition are likely to survive and reproduce more. This implies that a heritable change in certain members of a species that allows them to adapt to their environment is considered as advantageous variation and are selected as such.

The difference between artificial and natural selection is that the latter is unintentional in nature. This is due to the difference in the phenotypic characters of an individual with others in the population. The better adaptive characters help individuals to be able to remain and increase their numbers.

In a population, variation exists among different organisms and between the organisms of the same species. This is because in an individual’s genome random mutations take place often and these mutations are inherited by their offspring. The individuals of a population undergo certain changes throughout their life span in accordance with their environmental conditions. These variations or changes in the traits of an organism increases its chances of survival compared to the individual who is less successful in producing a variation in its genome. This results in the evolution of the population which adapts better to a certain environment and the process is a natural selection where the fittest organism survives.

Learn More:

1. Learn more about meiosis brainly.com/question/1600165

2. Learn more about the process of molecular diffusion in a cell brainly.com/question/1600165

3. Learn more about human sperm and egg cell brainly.com/question/1626319

Answer Details:

Grade: Secondary School

Chapter: Natural Selection

Subject: Biology

Keywords:

Natural selection, traits, phenotype, adaptation, variation, heritable characters, reproduction, environmental conditions, random mutations, genome.

Troyanec [42]3 years ago

4 0

Natural selection is a process by which organisms that are better adapted to their environment tend to D-survive.

Rationale behind not choosing other options:

A. Better adaptation to an environment doesn't lead to an increase in the size of the organisms. The organisms rather become sturdy and efficient at perform optimally as per the requirement in the environment for their survival.

B. Migration takes place to minimize competition for food, shelter, and space in an environment or a habitat.

C. Organisms that evolve new traits tend to better survive in an environment and natural selection favors such organisms over the inefficient ones.

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