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Animals have two major types: _____. aquatic and terrestrial, vertebrates and invertebrates, coelomates and acoelomates, sexual and asexual.

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Answer:

vertabrates and invertabrates

User Xpapad
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The correct answer is the second option. Animals have two major types: vertebrates and invertebrates. Vertebrates are animals that have backbone while the invertebrates do not have one. Examples for vertebrates are birds and mammals while the latter are insects and squid.
User Blacklabel
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