1. 1.1 Introduction to Ecology & Structure of Ecosystems
Key Terms
Concepts
WHAT IS A SYSTEM?
WHAT ARE THE PARTS OF AN ECOSYSTEM?
Species
Population
Community
Ecosystem
Environment

2. What is Ecology? What does eco- mean? Environment
Ecology is the study of the relationship between organisms and their environment.
What do we mean by relationship?
Interactions (reactions to one another)
What do we mean by environment?
Living and non-living surroundings

3. What is an Ecosystem?
The interactions of the living and non-living components acting as a system.
What is a system?
A group of parts connected together in an organized way
Examples?

4. Components of an Ecosystem
Living ( BIOTIC )
Non-living ( ABIOTIC )

5. What is a Species?
Definition –
Interbreeding organism that produces healthy, fertile offspring
Examples -

6. What is a Population?
Definition – Group of the same species in an area
Examples -

7. What is a Community?
Definition – Group of Different Populations in an area
Examples -

8. Hierarchy of Life BIOSPHERE (EARTH) ECOSYSTEM COMMUNITY POPULATION
ORGANISM OR SPECIES