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Tanya [424]
4 years ago
13

Vertebrates share many physical characteristics. All vertebrates A. have an internal skeleton that includes a backbone or spinal

column. B.have a thick exoskeleton but not an internal skeleton C. have neither an exoskeleton nor an internal skeleton. D.have an internal skeleton but not a backbone or spinal column.
Biology
2 answers:
lara31 [8.8K]4 years ago
7 0

A. All vertebrates <span>have an internal skeleton that includes a backbone or spinal column.</span>

Vertebrates are large, active animals and are known to be the most organized organism on earth. They are the most advanced group of animals with the presence of the vertebrae, spinal cord and notochords. Also, they have skeleton and muscles that enable them to move around efficiently.

ycow [4]4 years ago
4 0

A.have an internal skeleton that includes a backbone or spinal column.

(P.S I took this test and made a 100%)

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