Answer:
11. B 12.D
Explanation:
Mammoths lived in Tundra,
less flowers= less pollination= less apples
Drug tolerance
Drug tolerance is a condition in
which a drug’s effect is reduced as an individual continues to use it. An
individual with a drug tolerance has to administer larger doses of the same
drug in order to obtain the same desired effect exhibited by the drug initially.
For the question given above, the phenomenon that Maurie is experiencing is called
drug tolerance.
One of the main differences that can be seen is that cardiac muscles are involuntarily controlled, whereas the somatic nervous system controls the ovement of the skeletal muscles
The right answer is myelin.
Vitamin B12, also called cobalamin is a vitamin B group, so it is water soluble. It is a very important vitamin for the functioning of the brain, the nervous system and in the synthesis of DNA. This vitamin must be provided by the diet, the populations most at risk of deficiency are vegans as well as the elderly because of their low consumption of food of animal origin.
Vitamin B12 is essential for the good health of the nervous system: It is particularly at the level of the myelin sheath that vitamin B12 plays a role in thus participating in the protection of nerve cells.
Answer: c not all cells have a nucleus (prokaryotic cells don’t)
Explanation:
