Answer: Of all the branches of complex animals, sponges are the only group lacking TRUE TISSUE.
Explanation:
There is no answer that is right except for C. Natural Selection.
Genetic Recombination doesn't change gene frequency;nor does migration. (Unless it's local)
Mutation could be the answer, but since mutations are too rare to really power Evolution, the only logical answer is Natural Selection.
Sensory neurons and motor neurons are only two of the basic types of neurons. The basic function of neurons are in transmitting nerve impulses to the different parts of our body. Sensory neurons<span> carry signals from peripheral parts of our body into the central nervous system. On the other hand, m</span>otor neurons<span> carry impulses from the central nervous system to the peripheral parts of our body.
Best answer: </span><span>sensory neurons carry stimuli information to the brain; motor neurons carry processed information to muscles and glands. </span>
