Which group includes all mammals?

Prepare for the IB Marine Science SL Exam. Use flashcards and multiple-choice questions with detailed explanations. Master marine ecosystems, ocean currents, and biological resources for success!

Multiple Choice

Which group includes all mammals?

Explanation:
Mammals form their own distinct taxonomic group, defined by features like hair and mammary glands, and most are warm-blooded. In taxonomy, all mammals belong to the class Mammalia. The other options are different vertebrate classes—birds (Aves), reptiles (Reptilia), and amphibians (Amphibia)—which do not include mammals. So the group that includes all mammals is Mammalia.

Mammals form their own distinct taxonomic group, defined by features like hair and mammary glands, and most are warm-blooded. In taxonomy, all mammals belong to the class Mammalia. The other options are different vertebrate classes—birds (Aves), reptiles (Reptilia), and amphibians (Amphibia)—which do not include mammals. So the group that includes all mammals is Mammalia.

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