Ecosystem

Science / Marine Biology / Ecosystem: A community of plants, animals and other organisms that are linked by energy and nutrient flows and that interact with each other and with the physical environment. Rain forests, deserts, coral reefs, and grasslands are examples of ecosystems.

Ecosystem Diversity

Science / Marine Biology / Ecosystem Diversity: The diversity of biological communities and their physical environment. Diversity is determined by the species composition, physical structure and processes within an ecosystem. This is the highest le MORE

Ecosystem Service

Health / Disease / Ecosystem Service: The quantifiable services that an ecosystem provides to humans. MORE

Primary Production

Science / Marine Biology / Primary Production: The production of living matter by photosynthesizing organisms or by chemosynthesizing organisms. Usually expressed as grams of carbon per square meter per year MORE

Food Web

Science / Biology / Food Web: A complex network of feeding interrelations among species in a natural ecosystem; more accurate and more complex depiction of energy fiow than a food chain. MORE

Genetic Diversity

Science / Marine Biology / Genetic Diversity: The genetic variation that occurs within a population or species. For example, there are several different colour dog whelk shells and ochre sea stars. See also biodiversity; compare ecosystem diversi MORE

Species Diversity

Science / Biology / Species Diversity: The number of living species on Earth. MORE

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