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Biology

LS1-3 Maintaining Homeostasis

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Phenomenon

Alligator in winter Wonder of Science

Why is this an example of homeostasis?  Where does homeostasis come into the alligator’s dormancy/hibernation (called brumation)?

HS-LS1-3.    Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.
[Clarification Statement: Examples of investigations could include heart rate response to exercise, stomate response to moisture and temperature, and root development in response to water levels.] [Assessment Boundary: Assessment does not include the cellular processes involved in the feedback mechanism.]

Prior Knowledge/Preview
Introduction to Homeostasis RSC

Inquiry science
       Printable activity
       On-line activity
Human Homeostasis activity--go to Student Exploration Sheet Gizmo & Explore Learning

LAB experiments
       Lab #1 Diffusion, Osmosis & Active Transport Activity Concord SAM
       Lab #2 Homeostasis Activity HHMI
       Lab #3 Investigating Diffusion Cornell Institute of Biology Teachers
       Lab #4 Stomate activity Biology Corner

Aerospace CONNECTIONS:
Applications and examples
Homeostasis in Space NASA
Fluid shift in Space-going to Mars NASA
Effects of Long-term Space Flight Smithsonian Learning Lab

EXTENSION material for the curious
All about plant roots Lumen Learning
A detailed look at effects of spaceflight on body systems National Research Council
 
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