The somatic nervous system can alter the activities of its targets, the skeletal muscle fibers, because a) it is electrically coupled by gap junctions to the muscles. b) its signals bind to receptor proteins on the muscles. c) its signals reach the muscles via the blood.

What’s this animal (picture is tagged) and where is it most likely to live, rainforest or desert?

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

What will happen if deforestation continue to destroy the green plant on the planet