Examlex
Osmosis is the passive movement of water, but it follows almost completely opposite laws of physics when compared to the diffusion of ions or other small particles.
Food Web
In ecosystems, a complex pattern of interlocking and crisscrossing food chains.
Trophic Level
A position in a food chain or ecological pyramid occupied by a group of organisms with similar feeding mode.
Ecosystem
A community made up of living entities and their surrounding physical conditions, interacting together in a biological setting.
Trophic Level
The position an organism occupies in a food chain, based on its source of nutrition and energy.
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