1.1 Introduction to Ecology & Structure of Ecosystems

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Presentation transcript:

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

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

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?

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

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

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

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

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