Answer:
The nucleus disappears during the prophase.
Really dude this is easy u figure it out bro
Answer:
Genetic diversity serves as a way for populations to adapt to changing environments. With more variation, it is more likely that some individuals in a population will possess variations of alleles that are suited for the environment. Those individuals are more likely to survive to produce offspring bearing that allele.
Explanation:
By universe expanding
by galaxies looking redder than they should be
capturing the afterglow of the big bang
how starlight differs from microwaves
peeking back in time