another question: blank is when organisms with favorable genes survive and reproduce and organisms with bad genes die out.

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the

Both prokaryotic and eukaryotic cells have ribosomes and cell membranes

I'm soooo sorry but i can't answer but you can ask another professor