Homologous and Analogous Structures Review Quiz

What is the definition of homologous structures?

• Structures that are not found in different species

• Structures that serve the same function but have different origins

• Structures that are inherited from different ancestors

• Similar structures found in different species that are inherited from a common ancestor

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Explain the concept of homologous structures with an example.

• The forelimbs of vertebrates, such as the arms of humans, the wings of birds, and the flippers of whales, are examples of homologous structures.

• The fins of a fish and the legs of a frog are examples of homologous structures.

• The beak of a bird and the trunk of an elephant are examples of homologous structures.

• The wings of birds and the wings of insects are examples of homologous structures.

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Can you provide another example of homologous structures?

• The eyes of insects and the eyes of mammals

• The forelimbs of vertebrates such as humans, cats, whales, and bats.

• The flippers of whales and the fins of sharks

• The wings of birds and the wings of bats

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Define analogous structures and how they differ from homologous structures.

• Analogous structures and homologous structures are the same thing.

• Analogous structures have the same evolutionary origin, while homologous structures have different evolutionary origins.

• Analogous structures have different evolutionary origins, while homologous structures have the same evolutionary origin.

• Analogous structures are found in different species, while homologous structures are found in the same species.

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Give an example of analogous structures.

• The wings of birds and insects

• The fins of a fish and the wings of a bird

• The roots of a plant and the legs of a dog

• The trunk of an elephant and the tail of a monkey

Provide another example of analogous structures.

• The wings of a bat and the wings of a bird.

• The fins of a fish and the flippers of a seal.

• The trunk of an elephant and the neck of a giraffe.

• The legs of a dog and the legs of a cat.

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NGSS.MS-LS4-2

Compare and contrast homologous and analogous structures.

• Homologous structures are similar in structure and origin but may have different functions, while analogous structures have similar functions but different origins and structures.

• Homologous structures have different functions and origins, while analogous structures have similar functions and origins.

• Homologous structures have similar functions and origins, while analogous structures have different functions and structures.

• Homologous structures have different functions and structures, while analogous structures have similar functions and structures.

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What are the key differences between homologous and analogous structures?

• Homologous structures have similar functions and origins, while analogous structures have different structures and functions.

• Homologous structures have different functions and origins, while analogous structures have similar structures and origins.

• Homologous structures have similar structures and origins, while analogous structures have similar functions but different structures and origins.

• Homologous structures have different functions and structures, while analogous structures have similar functions and structures.

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