DEFINITIONS+OF+ECOSYSTEMS

SPECIES. Groups of individuals with similar characteristics capable of interbreeding and producing fertile offspring. BIOSPHERE. It is the life zone of the Earth.The sum of all of the living things on the planet. ECOSPHERE. An ecosystem whose biocenosis is the biosphere and whose biotope is the atmosphere, the hydrosphere and the upper part of the geosphere, inhabited by living things. Ecosphere is all the ecosystems on Earth ||  || TROPHIC LEVEL. Consists of all the organisms in an ecosystem which have the same feeding position. FOOD CHAIN, OR TROPHIC CHAIN, is a diagram in which organisms from different trophic levels and their feeding patterns are depicted through arrows, drawings and/or text. ||  || COLD ZONE is a large climate zone of the Earth located between the poles and the polar circles. WARM ZONE is a large climate zone of the Earth located between the Trophic of Cancer and Capricorn. BIOME is a biological community which occupies large areas of the planet and which has certain characteristic climatic conditions. ||  ||
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