What kind of adaption would you be most likely to see in these little moles that live underground? the ones are A. Wings B. Fins C. An adaption to keep dirt out of their eyes and D. None of the above please help

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time

What is the one part of the nucleotide  that differs among the other different nucle  tides?

Prokaryotic and eukaryotic cells are different in many ways other than the presence or absence of a nucleus. if both archaebacteria and eubacteria are prokaryotic cells, then why are archaebacteria more closely related to eukaryotic cells than they are to eubacteria?