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Food Web:
Within an ecosystem, there are many different food chains. Some organisms may be involved in several of the food chains at the same time. So a number of food chains become interwoven into a food web, that may be very complex. The term food web is often used to describe more accurately, the actual feeding relationship within a given ecosystem. In a forest, if deer become rare or get wiped out by a disease or any natural . calamity, the predator, such as lion, can feed on other animals such as fox, wolf. crane etc. rill the usual prey animals are availublt again . In brief', we can say that many intterlocking fuud chains make it possible for rhr living beings to survive rninor or major setbacks and changes in their surroundings. Thus, interlocking food chains provide stability to the ecosystem.
Forest cover: An analysis of satellite imageries and air photos indicates that in 1982 about 1 I%of land area in India was thick forests and the remaining 3% degraded or th
Procedure: Take any appliance1 equipment in the laboratory e-g., the oven, electric heater, sodium lamp, immersion rod, the vacuum pump, autoclave, heating mantle, refrigerator, i
Hormonal system: Most of us are not even aware that another system works constantly, along with the nervous system and the muscles, to direct our bodily functions. The system
Explain about the Biosphere Besides the above two types of factors, biosphere (the living environment) is another important active soil forming agent. The activity of living
Marasmus: This is caused due to the severe deficiency of both proteins and calories in the diet. Nutritional surveys among pre-school (1 to 5 years) children show that more t
Moisture comes from home plants Place a cellophane bag over a leaf of some house plant or garden plant and close the end about the stem with a rubber band. Make an observation
Trans power : 20dBm Channel loss = 60dB We know that Received power (dBm) = Tx Power (dBm) + Tx Antenna Gain (dBi) + Rx Antenna Gain (dBi) - loss (db) as Tx and Rx antenna gains ar
The Milky Way Galaxy: The white band stretched across the night sky is, in fact, a partial view of the Milky Way Galaxy. Being inside the Galaxy, we can see it only in
Poisons : It is essential that all dangerous substances, such as cyanides, are always kept under strict control. Steps to ensure such control are as follows: i) All substances
Define Colorimetric Method for the Estimation of Phosphorous Estimation of phosphorous is based upon the principle of colorimetry. Many methods for quantitative analysis are ba
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