Because the nucleotides match up like A and T and C and G is is like a zipper there is two parts that go together
<span>B. Inherited behaviors that allow animals to survive and reproduce will be spread throughout the population and can evolve by natural selection.</span>
Water
stones
plastic plants
hope this helps!
A planarian can regrow any missing body part. Truth be told, in the event that you take a planarian and excise it into a few little pieces, every last one of those body sections can recover into an entirely different worm.
