The concept of common descent relies on the fact that - organisms with favorable traits are more likely to reproduce. plants and animals in a specific environment typically have little diversity. closely related organisms have more genes in common than distantly related organisms. the gene pool naturally changes over time.

Question

The concept of common descent relies on the fact that - organisms with favorable traits are more likely to reproduce. plants and animals in a specific environment typically have little diversity. closely related organisms have more genes in common than distantly related organisms. the gene pool naturally changes over time.

Answer 1

The concept of common descent refers to the theoretically assumed common ancestor that two or more present-day species shared. It is a quintessential foundation of evolutionary theory, highlighting how life forms are related through shared ancestry. The option "closely related organisms have more genes in common than distantly related organisms," which correlates the genetic similarities among species to the proximity of their shared common ancestor, best describes the essence of common descent. In contrast, the other options speak more to natural selection and environmental filtration.

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