The largest single part of the shark's nervous system is the brain. Sharks are one of the smartest organisms that thrive in the deep sea. They have specially evolved brains that are capable of hunting and communicating with other sharks. Their keen sense of understanding helps them understand information presented to them and then later on converting this into information that they can use in the future.
I am assuming you mean the nutrient groups of macronutrients and micronutrients.
Macronutrients:
<em>fats</em>
<em>carbohydrates</em>
Micronutrients:
<em>calcium </em>
<em>zinc</em>
<em>vitamins</em>
Hope this helped :)
Cell wall.
Made of cellulose and acts as a stronger cell membrane in a plant cell
4 is true with question you asked
It primarily occurs in the leaves
