The pyramid of numbers is inverted in the case of
The type of food chain in which organic matter decomposed is converted into energy rich compounds is called -
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One of Eltonian pyramids have to be upright always -
The last organisms of the food chain are generally-
The best arrangement of an energy system consisting of hawks, snakes, mice and grasses is -
If a big fish eats small fish which eats Hydra who in turn eats water fleas ; water fleas in turn eat phytoplankton. In this chain, water fleas will be -
The graphic representation of trophic level is represented by a pyramid. Which of the following pyramid is always a true pyramid unlike the others ?
Which of the following constitutes the structure of an ecosystem ?
Ecosystem comprises both abiotic and biotic components. Biotic component of an ecosystem consists of -
Autotrophic organisms (green plants), which capture solar energy to synthesise organic food are called -
In a pyramid of numbers representing an ecosystem of a large freshwater pond the number of primary consumers is -
The sequence of species through which theorganic molecules in community pass is called is -
A group of interconnected food chains is called -
The energy which is utilized by the living world is primarily -
The rate at which new tissues are formed in producers is the ecosystem's -
How much amount of light is used in the production process by plants ?
The importance of ecosystem maintenance lies in -
The amount of energy, utilized by herbivores from the plants is -
The percentage of net primary production of total light intake is -
The flow of materials and energy in an ecosystem is respectively -
Mark the incorrect statement with reference to carbon cycle -
Major reservior of carbon in biosphere is lies in -