The correct answer is:
C)Populations have no effect on their environment.
Explanation:
Ecology is the department of biology which studies the interactions between organisms and their environment. Objects of study involve interactions of organisms with each other and with abiotic elements of their environment.
The answer is thermoregulation
Human is a warm blooded animal so they have to control their internal temperature. Eccrine glands is the synonym of sweat glands. Sweat has an important role to release heat as they will wet the skin, allow it to evaporate in huge area. If the sweat glands doesn't work, the person will have difficulty to dissipate heat when the body temperature increases.
They loosen up to be tighten again
C. Individual-population-community-ecosystem-biome
