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Topic 4: Ecology - Coggle Diagram
Topic 4: Ecology
Trophic levels
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Primary, secondary and terciary consumers
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Holozoic nutrition
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Process
- Ingestion: Taking food into body
- Digestion: Breaking down food
- Absorption: Moving into cells
- Assimilation: Making food part of the cell
- Elimination: Removing unused food
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Mixothrophic nutrition
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Facultative mixotrophs: Can be entirely autotrophic or heterotrophic, can be both
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Sunlight
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Heterotrophs also depend on it, indirect use
In marine ecosystems, light must pass
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Energy pyramids
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Energy transformations are not completely effective, 10% - 20%. May vary
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Photosynthesis
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Plants, algae, photosynthetic prokaryotes
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Ecosystems
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In cave organisms, energy is produced by archeabacteria
Nutrition in Archaea
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Can be autotrophic, heterotrophic or chemotrophic
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