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Definition
| High T and heave rainfall |
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Definition
| tropical grasslands with scattered trees, High T and less rain |
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Definition
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| Temperate deciduous forest |
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Definition
| warm summer, cold winter and moderate precipitation |
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Definition
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| cold winter, snowfall. coniferous forest |
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Definition
| cold winter ground freezes. Deeper soil remains permanently frozen. |
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Term
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Definition
| Largest,most stable, not subjected to severe climate changed, problems of food, water supply, fire and human activities. |
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Term
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Definition
| Still water(lake pond or swamp) |
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Term
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Definition
| running water(river,stream,spring) |
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Term
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Definition
| all individuals of a particular species |
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Term
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Definition
| all population of organisms occupying area |
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Term
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Definition
| any natural unit that includes a community of organisms and their complex environmental factors. Functional self-contained unit. |
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Definition
| rocks and soil,humus organic matter,light,temperature, water,wind |
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Term
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Definition
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Term
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Definition
| the functional or behavioral response of an organism to changes of duration in daily, seasonal, or yearly cycles. |
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Term
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Definition
| cold blooded(fishes, amphibians, reptiles) |
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Term
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Definition
| warm blooded- birds and mammals |
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Term
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Definition
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Term
| heterotrophs are split into two categories |
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Definition
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Term
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Definition
| is a term describing the relational position of a species or population in its ecosystem to each othe |
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Term
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Definition
| the study of the past and present distribution of individual species. |
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Term
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Definition
| ultimate source of energy, energy of electromagnetic waves. |
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Term
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Definition
| each of the successive level of energy flow in an ecosystem |
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Term
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Definition
| one organism feeds on that preceding it. |
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Term
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Definition
| showing the population of each level in the food chain. |
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Term
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Definition
| turnover of biomass at each level. |
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Term
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Definition
| shows the relationship between biomass and trophic level by quantifying the amount of biomass present at each trophic level of an ecological community at a particular moment in time. |
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Term
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Definition
| one benefits.other neutral |
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Term
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Definition
| one benefits and the other harmed. |
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Term
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Definition
| reservoir, atmosphere, hydrosphere, C,H,N,O |
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Term
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Definition
| reservoir is lithosphere: S and P cycles. |
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Term
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Definition
unfavorable alteration of any part of the environment by products. Gases: C0, C02, S02,
Metals: Pb, ZN, hG
Chemical: Detergents, pesticides, herbicides
Sewage, radioactive substances. |
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Term
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Definition
| pollution that is rendered harmless by natural processes and so causes no permanent harm |
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Term
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Definition
| pollution that is rendered harmless by natural processes and so causes no permanent harm |
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Term
| nonbiodegradable pollutants |
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Definition
| mercuric salts , phenols, chorlinated hydrocarbons like DDT and polychlorinated biphenyls(PCB) |
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Term
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Definition
| unwanted particulate matter or gases produced by human activity.gaseous emissions, burning fuels like coal or petroleum. |
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Term
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Definition
| produced by reducing effect of S02 in the air |
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Term
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Definition
| photooxidative process involving N02 and hydrocarbons. |
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Term
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Definition
| Acid rain is a rain or any other form of precipitation that is unusually acidic, i.e. elevated levels of hydrogen ions (low pH). |
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Term
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Definition
| steady decline of about 4% per decade in the total volume of ozone in |
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Term
| Methyl isocyanate disaster. |
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Definition
| Madhya Pradesh, India. A leak of methyl isocyanate gas and other chemicals from the plant resulted in the exposure of hundreds of thousands of people |
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Term
| how to control air pollution |
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Definition
| preventing formation of keeping them to min. |
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Term
| electrostatic percipitators or fabric filters |
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Definition
| s a particulate collection device that removes particles from a flowing gas (such as air) using the force of an induced electrostatic charge. |
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Term
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Definition
| n a wet scrubber, the polluted gas stream is brought into contact with the scrubbing liquid, by spraying it with the liquid, by forcing it through a pool of liquid, or by some other contact method, so as to remove the pollutants. |
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Term
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Definition
| Rotational effects and gravity are used to separate mixtures of solids and fluids |
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Term
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Definition
| Symptoms include ataxia, numbness in the hands and feet, general muscle weakness, narrowing of the field of vision and damage to hearing and speech |
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Term
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Definition
| Biochemical oxygen demand is a measure of the quantity of oxygen used by microorganisms |
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Term
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Definition
| s the addition of artificial or natural substances, such as nitrates and phosphates, through fertilizers or sewage, to an aquatic system.[1] In other terms, it is the "bloom" or great increase of phytoplankton in a water body. |
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