To compare: Three groups of living mammals. Introduction: Mammals belong to phylum Chordata. They are vertebrate animals that are placed under class Mammalia. There are 5000 species of mammals that are living on the Earth.

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Chapter 34.9, Problem 2LO

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To compare: Three groups of living mammals.

Introduction: Mammals belong to phylum Chordata. They are vertebrate animals that are placed under class Mammalia. There are 5000 species of mammals that are living on the Earth.

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