what is the term for changes in the internal or external enviroment that causes a response?
The term for changes in the internal or external environment that causes a response is stimulus.
The term you are referring to is "stimulus." A stimulus can be defined as any changes in the internal or external environment that trigger a response in an organism. To better understand how this term is used and its context, let me explain how you can find the answer.
One way to find the term you are looking for is by conducting a simple internet search. You can use search engines such as Google or Bing and type in keywords related to your question, such as "term for changes in environment that causes a response." This should provide you with various sources, including scientific articles or educational websites, explaining the term "stimulus" and its definition in more detail.
Additionally, you can consult textbooks or scientific literature on the subject of biology or physiology. These resources often provide extensive explanations of key terms and concepts related to how organisms respond to changes in their environment.
By utilizing these research methods, you should gain a better understanding of the term "stimulus" and how it relates to the concept of responses to changes in the internal or external environment.