Which of the following monomers are correctly matched with their polymersa. amino acids - lipidsb. glycerol and fatty acids - nucleic acidsc. monosaccharides - polysaccharidesd. nucleotides - protiens

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous