Why are archaea in a different domain from bacteria?

a. they had independent evolutionary development.

b. they shared a common ancient ancestor.

c. they are eukaryotes, but bacteria are prokaryotes.

d. they are multicellular, but bacteria are unicellular.

not the best question format lol but what i think might as scale color is controlled by a single gene with two alleles, the green allele and the yellow allele. when moths that are homozygous for green scales are mated with moths that are homozygous for yellow scales, 100% of the offspring have green scales.

the answer would be d : p

plato users:

d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.