This document provides an introduction to stimuli by defining internal and external stimuli and asking students to provide examples of each. It defines a stimulus as anything that causes a reaction or response and specifies that an internal stimulus originates from within an organism's body while an external stimulus comes from outside the organism. Students are instructed to write 5 examples of each type of stimulus in their notebooks.
2. Questions to Answer in Notebooks
1. What is a stimulus?
2. What is an internal stimulus?
3. What is an external stimulus?
3. Examples of Stimuli
Write 5 examples of external stimuli in your
notebooks.
5 external stimuli:
1. Gecko running to a fly (fly is stimulus – makes gecko want to
run to it)
2.
3.
4.
5.
4. Examples of Stimuli
Write 5 examples of internal stimuli in your
notebooks.
5 internal stimuli:
1.
2.
3.
4.
5.