Convergent Evolution

What are analogous structures in the context of convergent evolution?

• They are structures that perform similar functions but do not share a common ancestor, they arise from convergent evolution.

• They are structures that arise from divergent evolution.

• They are structures that share a common ancestor but perform different functions.

• They are structures that have no relation to convergent evolution.

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Why are analogous structures considered an example of convergent evolution?

• Analog structures are considered an example of convergent evolution because they arise in different evolutionary lineages but share similar functions due to adaptations to similar environments, demonstrating that natural selection favors similar solutions to common environmental challenges.

• Analog structures are considered an example of convergent evolution because they share a common ancestor

• Analog structures are considered an example of convergent evolution since they are identical in all aspects

• Analog structures are considered an example of convergent evolution due to genetic drift

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The process by which unrelated organism evolve similar characteristics is called

• biology

• convergent evolution

• ordering

• classification

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What role does convergent evolution play in biodiversity?

• Contributes to functional diversity by generating similarities in species that do not share a common ancestor.

• Increases genetic diversity by limiting similarities between species

• Reduces competition between species by generating marked differences

• Promotes specialization in a single ecological niche

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How do analogous structures relate to the adaptation of organisms?

• Analogous structures are the result of an organism adapting to multiple different environments

• Analogous structures demonstrate that organisms share a common ancestor

• Analogous structures show independent adaptations to similar environments, demonstrating how different species have evolved to occupy similar ecological niches through analogous solutions to environmental challenges.

• Analogous structures are the result of an organism adapting to a single specific environment

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NGSS.MS-LS4-2

Can two different species have analogous structures?

• Yes

• Depends

• Maybe

• No

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NGSS.MS-LS4-2

What is the difference between a homologous structure and an analogous structure in terms of evolution?

• The difference lies in the fact that homologous structures share a common ancestor, while analogous structures do not.

• Homologous structures are evolutionary adaptations, while analogous structures are the result of natural selection.

• Homologous structures are not evolutionarily related, unlike analogous structures.

• Homologous structures are completely different from each other, while analogous structures are similar in all aspects.

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NGSS.MS-LS4-2

The study of how animals have change over time is called

• biology

• evolution

• taxonomy

• astrology

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Birds, bats, and pterosaurs are unrelated, but they all developed wings to fly. This is an example of

• convergent evolution

• divergent evolution

• coevolution

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NGSS.MS-LS4-2

Whales, sharks, and penguins all have streamlined bodies and fins/flippers for moving in water even though they belong in different classes of animals (mammals, fish, and birds)

• Convergent

• Divergent

• Coevolution

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