A, they don't have to spend time and energy finding a mate so they can just keep reproducing
In a simple synapse, neurotransmitter chemicals are received by the postsynaptic membrane, also known as the dendritic membrane.
B. sexual selection, which alters allele frequencies in the gene pool.
There were several ways that the enlightenment from Europe to America was spread. The most integral way was the high literacy rates in the New England colonies that enables the settlers to read books and newspapers. The correct answer is A.