laurianabelllb laurianabelllb

24-06-2021
Biology

contestada

Which characteristic is unique to vertebrates?

A) they all have a well-defined skeleton

B) they have no defined organ systems

C) they have bilateral symmetry

D) they have an exoskeleton

Respuesta :

diuehduie diuehduie

29-06-2021

Answer: They have well-defined skeleton.

Explanation:

This is because the vertebrates are uniquely characterised by the presence of the bones.

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youlegend101 youlegend101

25-02-2022

Answer:

Answer is A)They have a well-defined skeleton

Explanation:

most reasonable answer

Answer Link

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