Pyramid of numbers in an aquatic ecosystem is .
ANS. (B)
Upright Pyramid of Number is found in the aquatic and grassland ecosystem. In these ecosystems there are numerous small autotrophs which support lesser herbivores which in turn support smaller number of carnivores and hence this pyramid is upright.
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A special type of well in which water rises automatically under the pressure of a column of water to the ground surface through a hole is known as:
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Oceanic Relief Features | About |
1. Gulf | It represents a large and deep coastal indentation, such that, the land surrounds the sea from the maximum part, leaving one narrow opening. |
2. Bay | It is the part of the coast having an inward land curve in such a way that sea is enclosed by land on three sides. |
3. Strait | It is the narrow water way connecting two large areas of landmass. |
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