1. Succession and Equilibrium Vocabulary of Instruction:
7th Grade
Unit 2:
Ecosystems
Lesson 3:
Succession and Equilibrium
Vocabulary of Instruction:

2. Climax Community
Is a stable group of plants and animals that is the end result of the succession process.
Climax Community

3. Equilibrium
Is the condition of a system in which competing influences are balanced

4. Pioneer Species Mosses Lichens Ferns Weeds
Are those organisms, usually plants, that colonize barren rock or lava during primary succession.
Examples:
Mosses
Lichens
Ferns
weeds
Mosses
Lichens
Ferns
Weeds

5. Primary Succession
Is the earliest phase of ecosystem development.

6. Secondary Succession
Describes the changes in the kinds of plants and animals that live in a particular community over time.

7. Succession
Directional, orderly process of change in a living community in which the community modifies the physical environment to eventually establish an ecosystem which is as stable as possible at the site in question.