In the Grand Canyon, there are clear horizontal layers of different rocks that provide information about where, when, and how they were deposited, long before the canyon was even carved.
Answer:
sperm cells only a few hundred are able to traverse the long way through the cervix, the uterus, and past the fallopian tube isthmus to the tube's ampullary region to there meet oocyte.
Explanation:
Answer:
a) Acetylcholine is degraded by acetylcholinesterase.
Explanation:
After it binds for its receptor on the plasma membrane of the postsynaptic cell, acetylcholine must be removed in order to prevent repeated stimulation. Acetylcholinesterase is enzyme for the inactivation of acetylcholine, present at all cholinergic synapses. This enzyme hydrolyses acetylcholine and breaks it to the acetate and choline. Choline can be reused for the synthesis of the new acetylcholine molecule so it is taken back into the presynaptic cell.
The circulatory aids with the immune system because they provide white-blood cells to help fight with the diseases or sicknesses.
Answer:
There are many way's we change local ecosystems one way is urbanization.
Explanation:
If the human race keeps building on more land ecosystems will die out and animals will become extinct.
