Marine biology

Marine biology

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Marine biology

critical salinity

Biology; Marine biology

A salinity of approximately 5 to 8% that marks a minimum of species richness in an estuarine system.

An interaction between two different species where either both, one or neither of the organisms benefit from the relationship. Many symbiotic relationships are obligatory (e.g. tropical reef building ...

mutualism

Biology; Marine biology

An interaction between two species in which both derive some benefit.

invasive species

Biology; Marine biology

An introduced species that out-competes native species for space and resources. Scotch Broom is an invasive species that out-competes local vegetation and results in a monoculture, and hence a ...

carnivore

Biology; Marine biology

An organism that captures and consumes animals.

deposit feeder

Biology; Marine biology

An organism that derives its nutrition by consuming some fraction of a soft sediment.

detrivore

Biology; Marine biology

An organism that feeds on large bits of dead and decaying organic matter. What detrivores leave behind is used by decomposers. Crabs and seabirds are examples of detrivores.