Unit 7: Plant Systems & Homeostasis

Objectives:
13a: INVESTIGATE how organisms respond to external stimuli found in the environment such as  phototropism and fight or flight  
13b: DESCRIBE and RELATE  in organisms that may result from internal stimuli such as wilting in  plants and fever or vomiting in animals that allow them to maintain balance

Key Terms:
- stimulus / stimuli
- internal stimuli
- external stimuli
- homeostasis
- fight or flight

Homeostasis


Positive and Negative Feedback Loops


Internal and External Stimuli in Plants








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