Land Tetrapods Evolved Just Prior to Which Mass Extinction

question 68

Multiple Choice

Land tetrapods evolved just prior to which mass extinction?

• A) Cretaceous
• B) Devonian
• C) Ordovician
• D) Permian
• E) Triassic

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Definitions:

Diagnostic Tests

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Humulin N

An intermediate-acting insulin used to control blood sugar levels in people with diabetes, typically taking effect within a few hours of injection.

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A reflex action to clear the throat of mucus or foreign irritants.