Patterns of Evolution

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What is divergent evolution?

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Divergent evolution is the process by which related species evolve different traits and characteristics from a common ancestor, often due to different environmental pressures.

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What are homologous structures?

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Homologous structures are anatomical features in different species that share a common ancestry but may serve different functions, indicating evolutionary relationships.

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What is a species?

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A species is a group of organisms that can interbreed and produce fertile offspring under natural conditions.

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What is a population in biological terms?

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A population is a group of individuals of the same species that live in the same area and interact with one another.

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What is geographical isolation?

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Geographical isolation occurs when a physical barrier, such as a river or mountain, separates populations, leading to speciation as the populations evolve independently.

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What is convergent evolution?

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Convergent evolution is the process where unrelated species develop similar traits or adaptations due to similar environmental pressures, despite having different ancestral origins.

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What is co-evolution?

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Co-evolution is the process where two or more species influence each other's evolution, often seen in predator-prey or mutualistic relationships.

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What is speciation?

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Speciation is the evolutionary process by which new biological species arise, often due to genetic divergence and reproductive isolation.

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What is reproductive isolation?

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Reproductive isolation refers to mechanisms that prevent different species from interbreeding, thus maintaining species boundaries.

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What are analogous structures?

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Analogous structures are features in different species that serve similar functions but do not share a common ancestry, indicating convergent evolution.