Your answer is B.
Sharks belong to a class of fish called "chondrichthyes" (means "cartilage fish") characterized by being jawed fish with skeletons made of cartilage instead of bone.
Sharks and fish with bones (osteichthyes) both have gill slits, scales and paired appendages. So, that would rule out the other answer choices.
Hope that helps!
True, you cant always have the ideal conditions in the real world
Answer:
essential amino acids are amino acids that can not be made by the body and only obtained in diet
Explanation:
The both have 8 arms, the squid has an extra 2 tentacles though.