Examlex
What is measured in the guilty-knowledge test?
Food Chain
A series of organisms each dependent on the next as a source of food, illustrating the flow of energy and nutrients from one organism to another.
Ecological Pyramid
A graphical representation of the relative energy value at each trophic level. See pyramid of biomass and pyramid of energy.
Trophic Levels
The hierarchical levels in an ecosystem, determined by the feeding position of organisms in food chains.
Energy Loss
The reduction in energy as it moves through the trophic levels of an ecosystem; often described in the context of the inefficiency of energy transfer between levels.
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