This science class document covers human impacts on the environment, including deforestation, desertification, global warming, invasive species, and overharvesting. It introduces ecology as the study of relationships between living things and their environments. The document appears to be notes for a unit that will examine various human activities and how they affect ecosystems.

1. 2ND PERIOD SCIENCE

2. Human Impacts
•Unit 4 Is Human Impacts on the environment. To prepare
your thinking, we’ll be thinking and working on our knowledge
of ecology
•Ecology - a science that deals with the relationships between
groups of living things and their environments

3. Ecology

4. Human Impacts #1 Deforestation

5. Human Impacts #1 Desertification

6. Human Impacts #3 GlobalWarming

7. Human Impacts #4 Invasive Species

8. Human Impacts #1 Overharvesting

9. Human Impacts #1 Overharvesting