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Completion (Fill in the blank spaces with the correct terms). Animals can be classified according to...

Completion (Fill in the blank spaces with the correct terms).

Animals can be classified according to two features: _____ and _____.

_____ is a major change of body form.3

Animals with backbones are known as _____, while animals without backbones are _____.

An internal skeleton is known as _____.

The four features of Chordata are ____, ____, ____, and ____.

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Answer #1

Animals can be classified according to two features: body plan and developmental pathway .

Metamorphosis is a major change of body form.3

Animals with backbones are known as vertebrates, while animals without backbones are invertebrates.

An internal skeleton is known as endoskeleton.

The four features of Chordata are a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail.

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