External and Internal Stimuli
  • 1. When there is a lack of resources, what do birds do to respond?
A) hide
B) hibernation
C) migrate
D) reproduce
  • 2. A stimulus that comes from the outside of an organism is a/an
A) maternal stimulus
B) additor
C) external stimulus
D) internal stimulus
  • 3. All of the following are examples of an external stimulus except
A) lack of food
B) a loud sound
C) hunger
D) sunlight
  • 4. The process of plants growing towards sunlight is called
A) antitropism
B) phototropism
C) photosynthesis
D) gravotrpism
  • 5. An example of an internal stimulus is
A) noise
B) temperature
C) light
D) thirst
  • 6. Exposure to a really bright light is a/an
A) external stimulus
B) internal stimulus
  • 7. Getting a fever when you are sick is an example of a/an
A) external stimulus
B) internal stimulus
  • 8. When you vomit after ingesting bacteria because of food poisoning, your body has responded to a/an
A) external stimulus
B) internal stimulus
  • 9. When you develop goose bumps after being exposed to cold temperature, it is an example of a/an
A) internal stimulus
B) external stimulus
  • 10. A signal that causes an organism to react in some way is called a/an
A) response
B) stimulus
C) idea
D) message
  • 11. A cat hisses when it sees a dog. The hissing is an example of
A) a circadian rhythm
B) courtship behavior
C) s response
D) a stimulus
  • 12. You are going to perform an experiment to test which type of surface, wood bark or artificial grass, you new pet snake prefers. 1) What type of stimulus are you testing, internal or external? 2) Develop a list of materials you will need for your experiment. 3) Write a procedure to test the two variables to see which surface your new pet snake prefers.
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