Answer:
Where's the question?? ;-;
Explanation:
Answer:
Body temperature regulation/Thermoregulation
This is one of the homeostatic systems.
The antibiotics resistance gene allows selection in bacteria
The brain stem leads to the spinal cord
Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air) .
