Answer:
Nucleotides
Explanation:
I may have searched it up, heh.
B. They are incorporated into organic material and common found in living things.<span />
B. because natural selection is when the environment causes an organism to evolve, the climate becoming colder and wetter would likely overtime cause the rats to have thinner hair and have skin that can handle staying wet more
B. Antibiotics attack only bacteria.
<span>All the muscle fibers under the control of a single motor axon are referred to as </span>Motor Unit. <span>A </span>motor<span> unit is made up of a </span>motor<span> neuron and the skeletal </span>muscle fibers <span>stimulated by that </span>motor<span> neuron's </span>axonal<span> terminals. Groups of </span>motor<span> units often work together to organize the contractions of a </span>single<span> muscle.</span>