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3412478
Ecosystems
Description
A Levels Biology (A2) Mind Map on Ecosystems, created by Jessica Phillips on 09/09/2015.
No tags specified
ecosystems
biology
a2 biology
a2
a-level
a-level biology
ocr
ocr biology
a level
biology
a2
a levels
Mind Map by
Jessica Phillips
, updated more than 1 year ago
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Created by
Jessica Phillips
about 9 years ago
382
11
1
Resource summary
Ecosystems
Niche
Specific role in the community
Two organisms cannot occupy the same niche
Succession
Seres
Stage in succession
Primary e.g. bare rock
1st habitat produced from
Secondary
After event
After primary
Pioneer colonies
Needs little nutrients
Autotrophic
From atmosphere
Climax community
Stable or in equilibrium (dynamic)
Can survive in harsh environments
Habitats
Population
Same species
Community
Intracting different species
Pyramids
Biamass
Number
Energy
Productivity
GPP
Total amount of energy converted
NPP total
Respiration
Secondary productivity
Abiotic
Climate
Nutients
PH of soil
Temperature
Biotic
Symbiotic
Humans
Disease
Competition
Predator/prey
Invasive species
Food chains
Producer
Primary consumer
Secondary
Tertiary
Flow of energy
Food webs
Detrivores and decomposers
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