Examlex
____ is used as an overall measure of an infant's development progress.
Coral Reefs
Underwater ecosystems characterized by reef-building corals, which are colonies of tiny living animals found in marine waters that contain few nutrients.
Biological Indicators
Organisms or components of organisms that are used to assess the health of a natural ecosystem or the presence of pollutants.
Bathyal Zone
A region of the ocean depths ranging from 200 to 2,000 meters below the surface, characterized by its limited light penetration and distinct marine life.
Phytoplankton
Microscopic plant-like organisms that live in aquatic environments, capable of photosynthesis, and form the base of the oceanic food chain.
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