Osmoregulators have internal solute concentrations compared to their external environment.

Osmoregulation is the active regulation of water and electrolytes in an organism to perform biochemical reactions and maintain homeostasis. Osmoregulators organisms actively control salt concentrations irrespective of the salt concentrations in the environment. Since they actively control the salt concentrations, they spend a high amount of energy.

b because they naturally adapt to their environment plz mark brainliest

explanation:

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.