Answer:
DNA and the genetic code reflect the shared ancestry of life.
Explanation:
DNA comparison can show how related species are. Biogeography. The global distribution of organisms and the unique features of island species reflect evolution and geological change.
Ulna and radius is the two bones in the lower arm
Tymine (t) can only pair with (a) in a dna strand. And the other letters which are G and C can only pair with each other. So A can be with T, T can be with A..... G can be with C and C can be with G.
the letters stand for:
A: adenine
G: guanine
C: cytosine
With Freezing.... the substance energy level decreases.
Freezing is endothermic and as such energy is lost to the environment
from the substance thus decreasing the energy level.