1. Organism
1.1. Population
1.1.1. the assemblage of a specific type of organism living in a given area.
1.2. Community
1.2.1. an assemblage of interacting populations occupying a given area.
2. Food chain/food web
2.1. Consumer
2.1.1. Primary Consumer
2.1.2. Secondary Consumer
2.1.3. Tertiary Consumer
2.2. Producer
2.2.1. Gets light from the sun and uses the energy
2.3. Decomposer
3. Biodiversity
3.1. Genetic Biodiversity
3.1.1. The variety of genes in the same species
3.2. Ecosystem Biodiversity
3.3. Species Biodiversity
3.3.1. The variety of organisms in a geographic area
3.4. Hot Spot
3.4.1. Regions home to much biodiversity, covering 2% land area
3.5. Endangered Species
3.5.1. A species in danger of extinction throughout most or all of the area it inhabits
3.6. Threatened Species
3.6.1. A species likely to become endangered in the near future
4. Trophic Level
4.1. any class of organisms that occupy the same position in a food chain, as primary consumers, secondary consumers, and tertiary consumers.
5. Ecological succession
5.1. primary succession
5.2. secondary succession
6. Pioneer species
7. Climax community
7.1. limiting factors
7.2. carrying capacity
7.3. population growth
7.4. population growth rate
7.5. exponential growth
7.6. J-curve
7.7. S-curve
8. Biomes
8.1. Temperate deciduous forest
8.1.1. Much of PA
8.2. Coniferous forest
8.3. Desert
8.4. Tundra
8.5. Marine
8.6. Grassland/savannah
8.7. Freshwater
8.8. Rainforest
9. Factors
9.1. Biotic
9.1.1. Definition: Anything in an ecosystem that was or is living or was or is part of a living thing
9.1.2. Examples:
9.1.2.1. Bird
9.1.2.2. Tree
9.1.2.3. Penguin
9.1.2.4. Bread
9.1.2.5. Mouse
9.1.2.6. Lion
9.1.2.7. Panther
9.2. Abiotic
9.2.1. Definition: Anything in an ecosystem that was and is not living
9.2.2. Examples:
9.2.2.1. Rock
9.2.2.2. Air
9.2.2.3. Water
9.2.2.4. Wind direction
9.2.2.5. Temperature