4.1 Species, Communities and Ecosystems

Steve Harton
Mind Map by , created over 5 years ago

DP IB Biology (04 Ecology) Mind Map on 4.1 Species, Communities and Ecosystems, created by Steve Harton on 05/22/2014.

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Steve Harton
Created by Steve Harton over 5 years ago
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4.1 Species, Communities and Ecosystems
1 Nature of Science
1.1 Looking for patterns, trends and discrepancies
1.1.1 Plants and algae are mostly autotrophic but some are not
2 Species
2.1 Populations
2.1.1 Community
2.1.1.1 Ecosystems
2.1.1.1.1 Have the potential to be sustainable over long periods of time
2.1.1.1.1.1 Setting up sealed mesocosms
2.1.1.1.1.2 International-mindedness
2.1.1.1.1.2.1 The need for sustainability
2.1.1.2 Forms an ecosystem by its interactions with the abiotic environment
2.1.1.2.1 Testing association between two species
2.1.1.2.1.1 Aim 6
2.1.1.2.1.1.1 Chi-squared test
2.1.1.2.1.1.2 Quadrat sampling
2.1.1.2.1.1.3 Recognizing and interpreting statistical significance
2.2 Classifying species
2.2.1 Autotrophs
2.2.1.1 Obtain inorganic nutrients from the abiotic environment
2.2.2 Heterotrophs
2.2.2.1 Consumers
2.2.2.1.1 Decomposers
2.2.2.1.1.1 The supply of inorganic nutrients is maintained by nutrient cycling
2.2.2.1.1.1.1 Detritivores
2.2.2.1.1.1.1.1 Obtain organic nutrients from detritus by internal ingestion
2.2.2.1.1.1.2 Saprotrophs
2.2.2.1.1.1.2.1 Obtain organic nutrients from dead organisms by external digestion
2.2.2.1.2 Primary vs Secondary
2.2.3 Definition
2.2.3.1 A group of organisms which can interbreed and produce fertile offspring

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