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6A: Introduction to Homeostasis
Outcome:
By the end of the lesson you will explore homeostasis as well as positive and negative feedback.
Engage:
All living organisms show homeostasis. It is one of the processes an organism must possess in order to be considered alive.
Homeostasis is the maintenance of a constant internal environment regardless of changes to the external environment.
Explain:
Explore
Explore
Activity 1
Using the stimulus-response model, draw a feedback loop for the following examples seen in the slideshow:
Calcium regulation
Birth contractions
Activity 2
Elaborate
Elaborate
Watch the video and answer the questions below:
Give an example of a positive feedback loop
Why is negative feedback called negative?
How many feedback loops are possible with a food web of 20 species?
Evaluate
Evaluate
Edrolo 6A questions.
Complete Q's 1-19.
Optional:
Q20 a-d
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