Stimulus and response

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  • 1. STIMULUS AND RESPONSE
    • Why animals and plants do what they do ?
    • OR
    • CAUSE AND EFFECT
    • in plants and animals
  • 2.
    • Describe a situation in which you were immediately scared and/or reacted quickly to something
    • Write 4 sentences describing it:
        • First…
        • Second….
        • Then….
        • Finally…..
  • 3. WHAT IS A STIMULUS ?
    • STIMULUS : any action that makes and organism to react. That is cause
    • Stimulus : singular
    • Stimuli: plural
    • Example: Give us an example!!!
  • 4. WHAT IS A RESPONSE ?
    • RESPONSE: how the organism reacts to an stimulus and changes in behaviour. That is an effect
    • Ex:
    • Give us an example!!!
  • 5. Examples of stimuli and their responses :
  • 6. There are two types of stimuli:
    • EXTERNAL STIMULI
        • AND
        • INTERNAL STIMULI
  • 7. External Stimulus:
    • External Stimulus: a stimulus that comes from the outside an organism
    • Examples:
  • 8. Internal Stimulus:
    • Internal Stimulus: a stimulus that comes from inside an organism
    • Examples:
  • 9. Decide whether these stimuli are internal or external
  • 10. The external receptors are in the sense organs
  • 11. There are two types of responses
    • MUSCULAR RESPONSE
    • AND
    • GLANDULAR RESPONSE
  • 12. Muscular response
    • Muscular response: a response made by the muscles
    • Examples:
  • 13. Glandular response
    • Glandular response : substances produced by the glands
    • Examples:
  • 14. Summarize what you have learned
    • 1.-What is a stimulus?
    • 2.- What is a response?
    • 3.- Give an example of a stimulus and its response
    • 4.- What is an internal stimulus?
    • 5.- What is an external stimulus?
    • 6.-It´s raining and you open up an umbrella. Is this an internal or external response ? Why?
    • 7.- What are the external receptors?