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IQ1 How do multicellular organisms respond to changes in their external environment?
IQ1 How do multicellular organisms respond to changes in their external environment?
Learning Intention - Explain how organisms detect and respond to change to maintain homeostasis
Evidence of Learning (Success Criteria)
Students should be able to:
S - Identify a range of internal conditions that must be maintained each day (eg: temperature, pH, hormone levels)
S - Define the terms: homeostasis and negative feedback
D - Explain how the body is able to detect and respond to stimuli
D - Describe why internal conditions must be kept stable
D - Construct and interpret a negative feedback loop
T - Analyse a negative feedback loop
Q2: When you wake up each day, what things are generally the same/stable in your body?
Task: Explore controlling the body's internal conditions using this Simulation.
Consider these as you change the conditions:
What does your body do automatically to cool down or warm up?
What did you need to do in the simulation to cool down or warm up?
How did the air temperature affect the sweat level?
Was it easy to maintain all factors at the same time?
Carry out the practical activity
View Homeostasis overview video [3.28 mins]
Turn & Talk
Describe how the diagram shows the body responding to changes in temperature.
View video [3.55 mins] and complete the anchor chart from the information.
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