Respuesta :
your Answer is: the external stimulus of thirst
Explanation:
A stimulus is an external agent which is likely to develop a response in an organism. According to the given situation, the external heat generated due to the warm summer day will likely to produce thirst response in deer because of the evaporation of body water by the surrounding heat. you can brainly me if you want.
Deer is most likely responding to internal stimulus of thirst.
- Thirst is a component of the regulatory mechanism that maintain body fluid homeostasis and ultimately is essential for survival.
What is a Internal stimulus?
- It is based upon something that someone feel such as hunger, thirst, love or pain
- It comes from within the person.
What is stimulus?
A thing or event that evokes a specific functional reaction in a organ or tissue.
To know more about stimulus here
https://brainly.com/question/1747649
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