Vestigial organs as remnants of evolution from "summary" of On the Origin of Species By Means of Natural Selection by Charles Darwin
In the process of natural selection, organisms gradually evolve over time to better suit their environment. As a result, certain organs or structures that were once crucial for survival may become unnecessary or even non-functional. These structures, known as vestigial organs, are considered remnants of evolution, providing evidence of the gradual changes that have occurred in species over generations. Vestigial organs are often reduced in size or function compared to their ancestors, reflecting a shift in the needs of the organism. For example, the wings of flightless birds like ostriches or penguins are considered vestigial...
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