Question

what process allows living things to maintain a stable internal environment?
a photosynthesis
b homeostasis
c metabolism
d digestion
e respiration

Explanation:

Homeostasis is the process by which living organisms maintain a stable internal environment, regulating factors like temperature, pH, and nutrient levels. Photosynthesis is for energy - production in plants, metabolism is the set of life - sustaining chemical processes, digestion is for breaking down food, and respiration is for gas - exchange and energy - release.

Answer:

B. Homeostasis