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Chapter 19
Science
definition | term |
---|---|
the living or once living parts of an environment | biotic |
the non-living parts that the living parts of an environment need to survive | abiotic |
is a geographic area on Earth that contains ecosystems with similar biotic and abiotic features | biome |
the amount of salt dissolved in water | salinity |
the ocean shore between the lowest low tide and the highest high tide | intertidal zone |
an underwater structure made from outside skeletons of tiny, soft bodied animals called coral | coral reefs |
the process of one ecological community gradually changing into another | ecological succession |
a stable community that no longer goes through major ecological changes | climax community |
the first species that colonize new or undisturbed land | pioneer species |
when a freshwater ecosystem changes over time in a natural, predictable process | aquatic succession |
the process of a body of water becoming nutrient rich | eutrophication |