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Intertidal Environments
Intertidal Life
Intertidal  Distribution Patterns
Adaptations of Intertidal Organisms
Intertidal  Species List
Useful References
and useful terms


Adaptations   structures, behaviours or physiologies which confer survival advantages on an organism
Biomass   the total synthesized organic content of a given area.
Bivalve   a two-shelled mollusc (e.g. oyster, scallop).
Competition   the struggle between organisms or groups of organisms for similar biological or physical resources.
Consumer   an organism which obtains energy by feeding on the tissues of another organism.
Ecosystem   a complex set of physical and biological elements interacting with each other.
Endemic   only found in a particular area
Gastropod   a mollusc that has a large, muscular foot.
Invertebrate   an animal without a backbone.
Molluscs   a phylum of invertebrates, generally possessing a soft body covered by a shell.
Osmosis   the tendency of water to move from an area of low ionic concentration to an area of higher ionic concentration.
Photosynthesis   the process used by green plants to convert C02 and H2O into carbohydrate and oxygen, using light energy.
Phytoplankton   plankton able to photosynthesize.
Plankton   free floating plants and animals, usually microscopic.
Predator   an organism which hunts live food.
Prey   an organism which is eaten by a predator.
Productivity   the level of biomass produced by an ecosystem.
Salinity   the level of dissolved salts in water.
Transect   an artificial, cross-sectional line usually made by placing a length of rope or tape over a particular area of terrain. Detailed surveys of points along the transect can reveal variations in the distribution of environmental parameters.
Trophic   to do with feeding.
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