The Five-Toed Limb of Stem Reptiles Became Modified into a Limb

question 18

Multiple Choice

The five-toed limb of stem reptiles became modified into a limb ____ in vertebrates that followed.

• A) suitable for high-speed running
• B) suitable for digging
• C) suitable for swimming
• D) with four fingers and an opposable thumb
• E) with all of these

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Definitions:

Atypical Features

Refers to a subtype of depression or mood disorders that have specific characteristics not usually found in typical presentations, such as mood reactivity.

Catatonic Features

Behavioral syndromes that can include motor immobility, excessive motor activity, or resistance to movement, often associated with schizophrenia.

Persistent Depressive Disorder

A chronic form of depression with symptoms lasting for at least 2 years.

Postpartum Depression

A type of mood disorder associated with childbirth, affecting both sexes, characterized by sadness, fatigue, and anxiety.