Natural selection work's at the individual level, selecting those individuals who will more likely be able to contribute their genes to the gene pool of future generations. Therefore, an organism's is determined mainly by how many offspring they produce throughout their lifetime.

answer; ///i do believe that the correct answer is (b); ///to inform, entertain or persuade an

i think that d. wind is the answer.   i missed the question when i answered a. currents.

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

it is called the mitotic spindle