Which pair of animal groups below includes animals that do not have backbones? a. reptiles and birds b. arachnids and mammals c. insects and arachnids d. fish and insects meadal

Which pair of animal groups below includes animals that do not have backbones?

a. reptiles and birds
b. arachnids and mammals
c. insects and arachnids
d. fish and insects meadal

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Which pair of animal groups below includes animals that do not have backbones? a. reptiles and birds b. arachnids and mammals c. insects and arachnids d. fish and insects meadal…

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