Adaptations for Terrestrialism in Early Tetrapods Resulted in an Air-Filled

question 41

Multiple Choice

Adaptations for terrestrialism in early tetrapods resulted in an air-filled cavity along with

• A)mucous membrane-lined nostrils.
• B)a complex nervous system.
• C)internal embryo gestation.
• D)an abdominal cavity.
• E)double circulation.

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