<span>Since there is usually more than one codon for an amino acid, a mutation in the third base of a codon
will most likely not cause the wrong amino acid to be put into the chain. </span>
Counter current involves blood in the capillaries flowing in the opposite direction to the flow of water flowing over them. Gases diffuse faster from one area to another when the concentration difference between the two areas is at its greatest, as compared to when the concentration difference is low.
Answer:
its A and D
Answer: False
Explanation:
Some organisms have an advantage with some traits, but they could be a disadvantage in other situations.