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작성일 : 23-12-07 17:13
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Tobias (23.♡.55.108)
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Evolution is a process that changes the heritable traits of living things over time. In time the genetic changes cause in species better adaptable to their environment. Scientists can trace this evolutionary pathway from primitive "life," which existed at least 3.5 billion years ago, all the way to the diversity of living things present.
The primary way to understand evolution is the study of DNA, the substance that carries an organism's genes. DNA indicates that all living creatures share a common ancestor, and that some preexisting species have splintered off into different species. Fossil evidence, which includes fossilized remains of dead animals, offer further evidence.
Scientists are aware that DNA mutations can occur. They are the primary material on which natural selection operates. If a girl is genetically inherited from both her father and mother, her appearance will be different. Evolution plays a role when a girl is able to inherit traits from her father and mother. Then, she will transfer her unique style to her children.
Hereditary characteristics enable them to thrive in ecological niches, such as being more adept in hunting and foraging food have a greater chance of surviving and reproducing in the long run. In a group there is an increase in the number of individuals who have the beneficial traits. This leads to the creation of new species as generations pass.
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