Question

which of the following best describes homeostasis?
the state of maintaining a stable internal environment despite changing external conditions
the state of maintaining a stable internal environment due to electrical impulses
the state of maintaining a stable internal environment due to chemical signals
the state of maintaining a stable internal environment when the external conditions are constant

Explanation:

Homeostasis is defined as the ability of an organism to maintain a stable internal environment. The key aspect is that this stability is maintained even when external conditions change. The other options either incorrectly attribute the maintenance to specific mechanisms (electrical impulses, chemical signals) which are part of the process but not the definition, or suggest the external conditions are constant, which is not the case in homeostasis.

Answer:

A. the state of maintaining a stable internal environment despite changing external conditions