animal kingdom vocabulary

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An organ that filters wastes from the blood

An organ in female mammals that produces milk for the mammal’s young

The length of time between fertilization and birth of a mammal

The phylum whose members have a notochord, a nerve cord, and pouches in their throat area at some point in their lives.

A process by which an animal’s body undergoes dramatic changes in form during its life cycle

The bones that make up the backbone of an animal

A tissue that is more flexible than bone

An organism that feeds on dead or decaying material