Answer:
The protection of internal environment from the harms of fluctuations in external environment is termed as HOMEOSTASIS.
Explanation:
External environment and its component fluctuate continuously, however, the organism resists and manage these changes by making adjustments to keep its own internal fluctuations within a narrow range thus protecting internal environment from harms of fluctuations.
Add more enzyme, add more substrate, and adjust ph to optimal level
Predators in the environment
