Nucleus; Prokaryotic Cells do not have a nucleus, whereas Eukaryotic cells do
The process of selective breeding species, as the one we can see in the question's paragraph, is known as artificial selection, and it's a way to propagate a trait in the next generation of that species, in that case, it would be the dark red color of the roses.
The element named after Thor, the Scandinavian god of war?
Thorium
Answer:
Sperm is the male reproductive cell, or gamete, in anisogamous forms of sexual reproduction. : )