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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.
Explosives : As defined earlier, explosives release a large amount of gas and energy in a very short time. These are of four basic types: Mixed gases - Usually the mixture
phylum porifera
what are the condition necessary for heat transfer to occur?
Neptune The eigth planet, Neptune, was discoveted in 1846 by astronomer Johann Gottfried Galle. We have already told you the story of its discovery in last. It is so f
What is necessary to restore the Marshall wetland in Margibi County, Liberia? The Marshall wetland has several features , including mangrove swamp, which is being degraded in some
A field trip to study erosion Find some place in the locality where running water has complete damage by cutting gulleys. Take the class to study the erosion. Why was it caused
factors which decide the broad area of scientic activity
A field trip to a rock quarry The quarry should be visited by the teacher in advance. View how the rock is removed. If the rock is sedimentary, view the layers. Collect rock sa
Define Nerve Cell Morphology The neurons in the mammalian nervous system occur in a variety of shapes and sizes. A typical cell has a cell body, the dendrites, axon and its ter
How do time and temperature work in soil formation? The time taken for the soil formation may be more in some cases or less in others. Hard rocks require more time as comp
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