Ecosystems

Description

A Levels Biology (A2) Mind Map on Ecosystems, created by Jessica Phillips on 09/09/2015.
Jessica Phillips
Mind Map by Jessica Phillips, updated more than 1 year ago
Jessica Phillips
Created by Jessica Phillips over 8 years ago
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Resource summary

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