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11 Cards in this Set
- Front
- Back
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What is biotic components? |
The community of living parts of a community |
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What is abiotic components? |
The non-living parts of an ecosystem |
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What is an ecosystem? |
Interactions between populations of biotic populations and abiotic components |
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What is a food web? |
Flow of chemical energy from a plant to herbivores and carnivores through feeding relationhips. |
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What is a trophic level? |
Position of an organism in a food chain |
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What are the trophic levels? |
First Trophic Level: Plants - producer Second Trophic Level: Herbivores - primary consumer Third Trophic Level: Carnivores - secondary consumer Fourth Trophic Level: Carnivores - tertiary consumer |
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What is a food web? |
Flow of chemical energy through herbivores and carnivores in different inter-connecting food chains. |
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What is biomass? |
chemical energy and elements obtained by the biotic component of an ecosystem are used to produce biomass e.g. growth of leaves |
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What is a biomass pyramid? |
Representation of the different trophic levels and the amount of biomass gets passed on (10% most lost as heat energy) |
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What is succession? |
Change of ecosystem over time |
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What are the three stages of biodiversity? |
Genetic diversity in a wombat population Species diversity on the floor of a woodlan ecosystem Ecosystem diversity in an entire region |
