the forelimbs of humans, cats, and bats have a number of detailed similarities in their construction. what best explains these similarities?

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Which label correctly identifies what x represents in the concept map?

Urgent in guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?