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The terms ecosystem was introduction by Sir Arthur tensely in 1935. An ecosystem can be defined s "a structural and function unit of biosphere consisting of living organisms and their physical environment, both interacting and exchanging the materials between them". In other words," an ecosystem is an area that contains organisms For example Plants, animals, bacteria and human beings etc. which are interaction with one another and with their non- living environment". An ecosystem may be big or small, natural or manmade, eg.:
(i) Micro organism such as bacterial limited to few mm2 or cm2 areas (Natural).
(ii) Desert ecosystem may exist in hundreds of Km2 area (Natural).
(iii) Crop field , aquarium (Man made).
Ranikhet disease Ranikhet disease, also known in the west as Newcastle disease, is a contagious and highly fatal disease of fowls caused by a virus of the genus Rubulavirus in
Resective therapy Is used to reduce pockets, correct negative osseous architecture and rough implant surfaces and increase the area of keratinized gingival if needed. Apical
Q What are the major ecological roles of bacteria? Bacteria are responsible for the decomposition process at the end of food webs and chains in this process they also liberate
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What must be the basal clade?
Create a dichotomous key the following organisms, ant, butterfly, fly, beetle, grass hopper, wasp, ladybug, roach and dragonfly.
what are the general characteristicss of porifera
How did muir's impression of man's relationship with nature differ from Susan Fenimore coopers? And How did Gifford Pinchot view nature?
Explain Taxonomists as Synthesisers? Your study of the earlier units of taxonomy, in particular its history must have made you aware that the field of taxonomy has changed cons
What is Congenital Mitral Stenosis ? The onset of symptoms or signs depends on severity of the stenosis, severe the stenosis earlier the presentation. With significant MS, the
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