According to this diagram, which line color denotes the universal common ancestor for all 3 domains of life? A. Blue

B. Red

C. Tan

D. Black

Match each term to its best definition? sedimentary depositional enviornment

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons