Answer:
Sharks, in their basal form have been on Earth for hundreds of millions of years. They were the first to develop a stream-like, torpedo shaped body and created a niche for themselves. Their aerodynamic body shape has evolved to allow for efficient and dynamic movement in water. Having a cartilage instead of bones allowed them to grow large and still be relatively light and buoyant . After they've evolved flexible, protruding jaws, there wasn't much to change. They were able to adapt and exploit all the water habitats as the world was changing.
Explanation:
Answer:
D. the genetic material of living organisms
Explanation:
The crust is not magnetic near the ocean ridges
Endorphins are a type of neuropeptides short strings of amino acids that are narrowly targeted to perform a specific job. For instance, endorphins specialize in reducing pain.
<u>Explanation:</u>
Endorphins are opiod neuropeptides that are produced by the central nervous system. They are natural pain killers that are produced by our body to reduce pain.
They are of 3 types namely, alpha endorphins, beta endorphins and gamma endorphins. All of these specifically bind to the opioid receptors inhibiting the communication of pain signals.
Answer:
I think the answer to your question is D
