Whenever the sperm and the egg combine, it is possible for one or the other to not split properly and bring 2 of the chromosomes instead of just 1
That is where the fibers of the optic nerve exit the eye extending into the brain. there are no rods and cones there as a result.
It’s the photic zone!!!! I learned this last year
Answer:
i don't know
Explanation:
I'm just trying to get points
A prothallium, or prothallus<span> is usually the </span>gametophyte<span> stage in the life of a </span>fern<span> or other pteridophyte. Occasionally the term is also used to describe the young </span>gametophyte<span> of a liverwort or peat moss as well.</span>
