Which Group's Members Had (Have)both Lungs and Gills During Their

question 41

Multiple Choice

Which group's members had (have) both lungs and gills during their adult lives?

• A)sharks, skates, and rays
• B)lungfishes
• C)lancelets
• D)amphibians
• E)ichthyosaurs and plesiosaurs

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Terms or classifications based on personal opinions, feelings, or interpretations rather than objective measures.

Research Domain Criteria Project

An initiative by the National Institute of Mental Health aiming to classify mental disorders based on dimensions of observable behavior and neurobiological measures.

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