Multicellular organisms arose from E<span>ukaryotes, a single celled organism.</span>
The first one is epidermis, the second one is the dermis i believe, I hope this helps
Can you take a clearer photo I cant read it.
Natural selection only acts on the population’s heritable traits: selecting for beneficial alleles and thus increasing their frequency in the population while selecting against deleterious alleles and thereby decreasing their frequency