Explanation:
The major groups of vertebrates include fishes, amphibians, reptiles, birds, and mammals. Encyclopædia Britannica, Inc. The subphylum is one of the best known of all groups of animals.
Answer:
cat, dog, birds, frog
vertebrates should have an internal backbone or spines, if animals don't have spines they are called called invertebrates
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Answers & Comments
Explanation:
The major groups of vertebrates include fishes, amphibians, reptiles, birds, and mammals. Encyclopædia Britannica, Inc. The subphylum is one of the best known of all groups of animals.
Answer:
cat, dog, birds, frog
vertebrates should have an internal backbone or spines, if animals don't have spines they are called called invertebrates