Felis domesticus & Felis silvestris. They both belong to the same genus (cats).
Answer:
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population.
When an action potential does arrive at the terminal, the neurotransmitter must be quickly and efficiently released from the terminal<span> and into the synaptic cleft. The neurotransmitter must then be recognized by </span>selective receptors on the postsynaptic cell<span> so that it can pass along the signal and initiate another action potential.</span>
