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what are biogeochemical cyclesbiogeochemical cycles are representations of the circulation and recycling of matter in naturethe major biogeochemical
what is the formula of the net primary production npp how does npp relate to the energy pyramidsnet primary production is the gross main productivity
what are the factors that for influencing photosynthesis also interfere with the gross primary productivitymostly water and light but also mineral
what is the gross primary production of an ecosystem how does gpp relate to photosynthesisgross primary production of an ecosystem or gpp is the
can the amount of available energy in a given trophic level be larger than the available energy in inferior trophic levels what does that condition
normal 0 false false false en-in x-none x-none microsoftinternetexplorer4
what is dry masswhen biomasses are compared often the method of dry mass is used the dry mass is the total mass less the water mass of an individual
what do biomass pyramids representbiomass pyramids show the sum of the masses of the individuals that participate in each trophic level of a food
in the short term what will occur to the levels above and below a population of secondary consumers of a numeric pyramid if a large number of
in a numeric pyramid to which trophic level does the base always refer what about the top levelin a numeric pyramid the base corresponds to the first
what do numeric pyramids represent numeric pyramids show the number of individuals in each trophic level of a food
what are the three main types of trophic pyramids studied in ecologythe three types of trophic pyramids studied in ecology are the numeric pyramid
what is the difference between the concepts of food chain and food webthe chain method is a theoretical model to study the energy flux in ecosystems
what are the phytoplankton and the zooplanktonphytoplankton and zooplankton are parts of the plankton the phytoplankton comprises the autotrophic
what are plankton nekton and benthosplankton nekton and benthos are the three groups into which aquatic living beings may be separatedthe plankton is
which terrestrial vertebrate group is extremely rare in desertsamphibians are terrestrial vertebrates extremely rare in desert environments although
what are the typical vegetation and the typical fauna of the desertsthe predominant fauna of desert ecosystems is produced by reptiles as lizards and
how are grasslands classified grasslands might be classified into steppes and savannahs in the steppes the prevailing vegetation is grass as in the
what are the grasslands of north america and of south america respectively calledthe steppe grasslands of north america are known as prairies the
what is the typical vegetation of the grasslandsgrasslands are mostly formed of herbaceous nonwoody vegetation grass bushes and small treesbiomes -
why are the tropical forests also known as stratified forestsin tropical forests tall trees of various species have their crowns forming a superior
how can the abundance and diversity of living beings in the tropical forests be explainedthe biodiversity of these ecosystems can be defined by the
what are the typical vegetation and the typical fauna of the tropical forestsin the vegetation of the tropical forests broadleaf evergreen trees
what is the typical localization of the tropical forests regarding latitudetropical rain forests as the amazon forest and the congo forest are
what are deciduous treesdeciduous trees are plants that lose their leaves in a period of the year in the case of the deciduous trees of the temperate