Ecosystems

Ecosystems

Niche
1. Specific role in the community
2. Two organisms cannot occupy the same niche
Succession
1. Seres
  1. Stage in succession
2. Primary e.g. bare rock
  1. 1st habitat produced from
3. Secondary
  1. After event
  2. After primary
4. Pioneer colonies
  1. Needs little nutrients
    1. Autotrophic
    2. From atmosphere
  2. Climax community
    1. Stable or in equilibrium (dynamic)
  3. Can survive in harsh environments
Habitats
Population
1. Same species
Community
1. Intracting different species
Pyramids
1. Biamass
2. Number
3. Energy
4. Productivity
  1. GPP
    1. Total amount of energy converted
  2. NPP total
    1. Respiration
  3. Secondary productivity
Abiotic
1. Climate
2. Nutients
3. PH of soil
4. Temperature
Biotic
1. Symbiotic
2. Humans
3. Disease
4. Competition
5. Predator/prey
6. Invasive species
Food chains
1. Producer
  1. Primary consumer
    1. Secondary
      1. Tertiary
2. Flow of energy
3. Food webs
4. Detrivores and decomposers

Resource summary

	Created by Jessica Phillips over 8 years ago

	Copied by Olivia Smith over 7 years ago