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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
what are the typical vegetation and the typical fauna of the temperate forestsin the temperate forest deciduous trees predominate mammals are
what are the typical vegetation and the typical fauna of the taigastaiga or the boreal forest is characterized by coniferous trees pine forests there
what are the typical vegetation and the typical fauna of the tundratundra has vegetation formed mainly by mosses and lichens in the fauna the densely
what are the major terrestrial biomes the main terrestrial biomes are tundra taigas or boreal forest temperate forests tropical forests grasslands
what is a biomea biome is a prevailing ecosystem constituted by same biotic and abiotic factors present in one or more regions of the
what is a community what is the difference between the concepts of community and populationa community is a set of populations of living beings that
what is the difference between an ecological niche and a habitatan ecological niche is a set of peculiar activities resources and methods that a
what are biotic factorsbiotic factors are living beings plants microorganisms and animals that are part of a given
what are abiotic factorsabiotic factors are the nonliving elements that constitute a given environment as light temperature minerals gases water
what are the processes that autotrophic beings use to produce organic material from inorganic substancesautotrophic beings make organic material by
what are autotrophic beings what are heterotrophic beingsautotrophic beings are those that can make their own food ie that make organic material from