Homeostasis is the body's ability to maintain constant conditions when conditions change. a. external; internal b. oxygen; temperature c. temperature; ph d. internal; external

D. internal; external

Explanation:

The word homeostasis is the condition of the body where the temperature remains constant and stable and does not change when the outside and the inside temperatures change. And can be observed such as in birds as they have features that provide insulating conditions so that the external environmental conditions don't affect the internal conditions. And is maintained by the living organism

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