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प्रश्न
State with reason any two possible consequences of elimination of decomposers from the Earth.
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उत्तर
Consequences of elimination of decomposers:-
i. If all the decomposers of earth are eliminated then the dead bodies of plants and animals would not be decomposed into simpler non-polluting substances so whole of the earth in no time would have heaps of dead bodies of plants and animals. They would start giving foul smell and life would become impossible on earth.
ii. Elimination of decomposers would cause imbalance of nutrients as they break complex organic material into simpler substances in different nutrient cycles.
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संबंधित प्रश्न
The following statement is true or false :
Secondary consumers and tertiary consumers, both are carnivores.
What is a trophic level?
Construct a long food chain.
In a food chain, the third trophic level is always occupied by :
(a) carnivores
(b) herbivores
(c) decomposers
(d) producers
In the figure given alongside, the various trophic levels are shown in the form of a pyramid. At which trophic level the maximum energy is available?
The following is a food chain that ends with human :
How does this food chain differ form a usual food chain involving human such as : plants → goat → human?
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name the organism which Y could be.
In addition to wheat plants, a crop field ecosystem has organisms such as snake, peacock, eagle and mice. If the wheat plants are sprayed with pesticides periodically, which of the following will have the minimum concentration of pesticides in the body?
(a) snake
(b) eagle
(c) mice
(d) peacock
Give one example of a food chain in an aquatic ecosystem?
Analogy:
Primary Consumer: Goat, Cow:: Secondary Consumer: ______.
