The Only Kind of Therapsids to Survive the Extinction Event

question 20

Multiple Choice

The only kind of therapsids to survive the extinction event at the Permian-Triassic boundary were the

• A)cynodonts.
• B)ornithischians.
• C)pelycosaurs.
• D)saurischians.
• E)thecodonts.

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Soviet Union

A former federal socialist state in eastern Europe and northern Asia, existing from 1922 to 1991, known for its communist government.

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