1. Introduction to Ecology

2. What Is Biology? Biology comes from the Greek - ology meaning science and bio- meaning life. So Biology is the study of life.

3. What Is Ecology? Ecology is the study of the interaction of organisms with their environment.

4. Thin layer of earth where life is supported. Bio- means life. Sphere means circle. Thin layer of earth where life is supported. Bio- means life. Sphere means circle. Closed system in terms of materials. What does this mean? Implies that materials must be recycled. Closed system in terms of materials. What does this mean? Implies that materials must be recycled. Open system in terms of energy. What does this mean? Open system in terms of energy. What does this mean? The Biosphere

5. Ecosystems are all the organisms in an area and their interactions with their environment. Chesapeake Bay Old-growth forests of the Northwest Everglades

6. Components of an Ecosystem Biotic Abiotic Courtesy of freeimages.co.uk

7. What Is a Species? Horse x Donkey = Mule X

8. Each species occupies a unique role SquirrelChipmunk

9. Populations and Communities All the members of a species in a certain area are called a population. All the members of a species in a certain area are called a population. All the populations of all the different species in an area make up the community. All the populations of all the different species in an area make up the community.