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what are plankton benthos and nektonplankton benthos and nekton are the three groups into which aquatic living beings may be dividedthe plankton is
which terrestrial vertebrate group is extremely rare in desertsthe amphibians are terrestrial vertebrates very rare in desert environments although
what are the typical vegetation and the typical fauna of the desertsthe predominant fauna of the desert ecosystems is formed by reptiles like snakes
how are grasslands classifiedthe grasslands may be classified into steppes and savannahs in a steppe prevailing vegetation is grass as in the pampas
what are the grasslands of north america and of south america respectively calledthe steppe the grasslands of north america are called as prairies
what is the typical vegetation of the grasslandsthe grasslands are mainly formed of herbaceous nonwoody vegetation grass small trees and
why are the tropical forests also known as stratified forestsin the tropical forests tall trees of several species have their crowns forming a
how can the abundance and diversity of living beings in the tropical forests be explainedthe biodiversity of these ecosystems can be described by the
what are the typical vegetation and the typical fauna of the tropical forestsin the vegetation of a tropical forest broadleaf evergreen trees
what is the typical localization of the tropical forests regarding latitudethe tropical rain forests like the congo forest and the amazon forest are
q how do biodiversity the total number of living beings and the biomass respectively vary during the ecological successionthe biodiversity the
q what is the climax stage of an ecological successionthe climax stage is the stage of an ecological succession in which the community of an
q what is the difference between primary ecological succession and secondary ecological successionthe primary ecological succession is the changing
what are deciduous treesthe deciduous trees are plants that lose their leaves in a period of the year and in the case of the deciduous trees of the
what are the typical vegetation and the typical fauna of the temperate forestsin the temperate forest deciduous trees predominate various mammals are
q what are pioneer species what is the role of the pioneer speciesthe pioneer species are those first species that colonize places where previously
define the swab or agar - food microbiologyslant method the method involves sampling with cotton swabs that are transferred directly to slants other
q what is ecological successionthe ecological succession is the changing sequence of communities that live in an ecosystem during a given time
q what is ammensalimthe ammensalism is the ecological interaction in which an individual harms another without obtaining benefit the ammensalism is
explain the sticky films - food microbiologysticky films or tape are pressed against the surface to be assessed exposed filmtape is then pressed on
q is herbivorism a form of predatismthe herbivorism is a form of predatism in which first order consumers feed from producers plants or algae for
q what is predatismthe predatism is the ecological interaction in which one individual kills or mutilates another to get food the predatism is an
explain the direct surface agar plating methodin the direct surface agar plating method molten agar is placed on to the surface to be assessed upon
q what are some examples of parasitismthe classical instances are the parasites of humans host like the trypanosome that causes chagas disease the
q what is parasitismthe parasitism is the ecological interaction in which a being lives at the expense of another the parasite often doesnt cause