1. Human Impact on the Environment Unit
Biology

2. How do species interact?
April 23
Lesson question – page 105
How do species interact?

3. New Term
Niche – a species or population’s role in the environment

4. New Term
Symbiosis – Living Together
BBC Extreme Relationships

5. Parasitism
Species 1
Species 2

6. Predator/Prey Relationship
Species 1
Species 2

7. Competition
Species 1
Species 2

8. Mutualism
Species 1
Species 2

9. Commensalism
Species 1
Species 2

10. Ecological Interactions Activity
Use the background information and the information form our lesson to complete the table in the activity packet.
10 minutes max

11. Ecological Interactions Activity
Follow instructions for activity.
Clean up at 9:00.
Activity questions are due next class.

12. Human Impact Experiment
Choose a question:
How are plants affected by runoff from roads deiced with magnesium chloride in the winter?
How does excess fertilizer used on farms affect plants?
Air pollution causes rain to become more acidic – how might this affect plants?
Are “green” cleaners actually less toxic to plants than traditional cleaners?