Which of the following situations best represents a homeostatic mechanism? a) a person who becomes very nervous begins to sweat profusely. b) after going outside on a hot day, the core body temperature increases. c) increasing the size of fast food restaurant portions causes body weight to increase. d) after eating a large batch of salty popcorn, levels of salt in the urine increase. e) as age increases, the amount of calcium in the bones tends to decrease

option D - After eating a large batch of salty popcorn, levels of salt in the urine increase

Explanation:

Homeostasis is the ability of a living organism to ADJUST its internal environment to maintain a stable equilibrium

FOR EXAMPLE: warm-blooded animals like humans allow blood vessels dilate during hot weather, and constrict during cold weather IN ORDER to maintain a constant body temperature.

Thus, after eating a large batch of salty popcorn, levels of salt in the urine increase due to the homeostatic mechanism of the ANTI-DIURETIC HORMONE stimulating reabsorbtion of water from urine, and excretion of excess salt.

is this a psat question, if so do not cheat try your best.

the answer is: trichonympha lives in the gut of termites and digests cellulose eaten by the termite.

this is an example of a symbiotic association of a protozoan with its mode of association.

hope i

-lavira: )