Biology, 13.09.2019 21:30 zachthomas024

Most animals with backbones, vertebrates, have a similar body plan: skull, ribs, two pairs of limbs, tail. what does this suggest about vertebrates?
a. vertebrates are the best designed organisms.
b. vertebrates all adapted to similar environmental conditions.
c. vertebrates all have similar lifestyles.
d. vertebrates have been around longer than most other organisms.
e. vertebrates are all related to a common ancestor.

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Most animals with backbones, vertebrates, have a similar body plan: skull, ribs, two pairs of limbs...