Mark has a friend named chloe. how different are mark’s and chloe’s dna ?

Explain nonnuclear inheritance. ~ ap biology

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

Identify the composition of oceanic and continental crystal rocks. in a model of earth’s interior, where would these rocks appear?