B. sexual selection, which alters allele frequencies in the gene pool.
Prokaryotic cells reproduce asexually which makes it easier for them to multiply because all they have to do is split in half where as eukaryotic cells reproduce sexually so they have to find another cell to meet with in order to reproduce.
Pioneer species are the first organisms to live in an uninhabited area.
Answer:
water is the universals solvent and the compound that wouldnt disolve is oli because water and oil don't mix
Explanation:
Answer:
air
Explanation: without air you can cant even live