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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
what are the typical vegetation and the typical fauna of the tundrathe tundra has vegetation formed mainly by lichens and mosses in the fauna the
define limitations of agar syringe or agar sausage methodi it is applicable to surfaces with low contaminantsii problem of spreading colonies may
q what are some examples of interspecific competitioninstance of interspecific competition are the dispute among worms vultures flies and
define agar syringeagar sausage methodagar syringe method involves 100 ml syringe which is filled with agar a layer of agar is pushed beyond the end
q what benefits can commensalism offer to a speciesthe commensalism may involve obtainment of food for instance the innocuous bacteria of the human
q what is commensalismthe commensalism is the ecological interaction in which one individual benefits while the other is neither benefited nor harmed
explain the advantage of sponge methodadvantagethe method is suitable when the surface to be swabbed is large or low incidence of microbes in the
q what is mutualismthe mutualism is the ecological interaction in which both participants advantage and that is obligatory for their survivalthe
q what is protocooperationthe protocooperation is the ecological interaction in which both participants benefit but which is not obligatory for their
what are the major terrestrial biomesthe main terrestrial biomes are tundra taigas or boreal forest tropical forests temperate forests grasslands and
explain the sponge methodin the sponge method sterilized sponge with 45 x 5 cm contact surface and free from antimicrobial agent is used aseptically
q what are the main interspecific ecological interactionsthe major harmonious interspecific ecological interactions are protocooperation commensalism
q why is cannibalism an inharmonious intraspecific ecological interactionin the cannibalism an individual eats other of the same species occurs in
explain the disadvantage of contact plate methodthese plates are suitable for sampling the surfaces having low contamination like pre-cleaned and
q what is an example of intraspecific competitionthe intraspecific competition occurs in practically all species for instance the competition of
what is a biomea biome is the prevailing ecosystem constituted by similar abiotic and biotic factors present in one or more regions of the
what is contact plate methodcontact plate rodac - replicate organism direct agar contact method - contact plates are special petri plates containing
what are the processes that autotrophic beings use to produce organic material from inorganic substancesthe autotrophic beings make organic material
define advantages and disadvantages of swab methodadvantages of swab method1 suitable for flexible uneven and heavily contaminated surfaces2 rapid