If you are asking to tell the difference between taste cells and olfactory receptors, taste cells are obviously for tasting substances and olfactory receptors are used for smelling.
Approximately 5-10% is passed on to the next highest trophic level
Answer:
B. retain its urine in it’s blood stream
Explanation:
Sharks are cartilaginous fishes that lives in the ocean. Oceans are always salty, hence organisms need to maintain a salt-water balance between their internal and external environment because of osmosis. Sharks are able to maintain this by ensuring that the amount of solutes in their internal environment is as much as that in their external environment.
Sharks retain a chemical contained in urine called UREA in their bloodstream to counter the osmotic effect of the salt concentration in the waters they live. This helps them maintain a concentration balance with their environment.
<span>Meristem cells divide and some of the new cells differentiate into xylem and phloem. </span>
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