Evolutionary Biologists, Like Most Scientists, Use Two Empirical Approaches to Study

question 14

Essay

Evolutionary biologists, like most scientists, use two empirical approaches to study evolution, observation and manipulation. What is the difference between these approaches?

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Definitions:

Sexual Reproduction

A biological process where organisms create offspring by combining the genetic material of two different cells (gametes).

Deleterious Mutations

Genetic changes that are harmful to an organism, often resulting in decreased fitness or survival.

Golden-Collared Manakins

A species of bird known for the male's vibrant yellow throat plumage and their unique courtship dances.

Sexually Selected Ornaments

Physical traits evolved through sexual selection, often used to attract mates or compete with members of the same species, such as the colorful plumage of many birds.