Answer:
The Answer is A.
Explanation:
This is correct because evolution is a change in the inherited traits of a population over many generations. While natural selection is a mechanism where the members of a population best suited to their environment have the best chance of surviving to pass on their genes.
A. because the hormone secreted is parathormone which regulates the calcium in the blood.
pls mark as brainliest
Mitochondria important for the cell that can't survive without it but blood cell is an exception. Blood is a tissue in animals so RBCs are animal cells and don't have mitochondria
I’m not sure if this is exactly what ur asking, but vitamin c, zinc, and copper are needed
