For the answer to the question above, I think the answer is that the <u><em>f</em></u><u><em>rogs have a BACKBONE.</em></u><span>
</span>which the <span>phylum like squid, snails, and jellyfish don't have. I hope my answer helped you. Have a nice day ahead!
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Answer:
pretty sure its d im so sorry if im wrong I greatly apologize
Sharks, like all vertebrates, have bilateral symmetry. This
means they have symmetry across one plane (known as the sagittal
plane, and directly down the centre of their body), which means one
Because natural selection is caused so that an organism can adapt and better survive their environment. They are involved in the formation of fossils because organisms that die are buried in sediment and become fossils.
