Evidence of Evolution

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How does embryology support the Theory of Evolution?

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It shows that they have a common ancestor because of their early development similarities.

Front

The most recent ancestral form or species from which two different species evolved is known as ________________________.

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a common ancestor.

Front

In the third embryonic stage (bottom row), mammal embryos:

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have more characteristics in common with each other than with reptiles or birds.

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A category of structures that have a similar function, but are structurally different.

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Analogous structures

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A type of structure that is physically present, but does not seem to serve a significant function for an organism.

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Vestigial structure

Front

Recently, scientists have been able to use ___________ to find common proteins and amino acids to determine how closely related species are. Options: DNA, Vestigial structures, Fossils, Homologous structures, None of these

Back

DNA

Front

If I have any questions I do not understand I can ask and find answers ________?

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in the "Biology for Non Major" Facebook group

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Whales, sharks, ichthyosaurs, 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) is an example of

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Convergent evolution