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प्रश्न
Give reason to justify the following: The existence of decomposers is essential in a biosphere.
List two reasons to show that the existence of decomposers is essential in an ecosystem.
उत्तर १
Decomposers are the animals that break down dead plants and animals. They are essential for the proper functioning of an ecosystem. They help in the recycling of minerals by decomposing dead plants and animals and releasing their components into the environment.
उत्तर २
Decomposers include microorganisms such as bacteria and fungi that obtain nutrients by breaking down the remains of dead plants and animals.
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संबंधित प्रश्न
Construct a long food chain.
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
If a harmful chemical enters a food chain comprising cat, mice and plants, which one of these organisms is likely to have the maximum concentration of the harmful chemical in its body?
If 5 joules of energy is available at producer level (plants), then how much energy will be transferred to the lion in the following food chain?
Plants → Goat → Lion
In the food chain given below, if the amount of energy available at fourth trophic level is 5 kJ, what was the energy available at the producer level?
Grass → Grasshopper → Frog → Snake → Hawk
(a) 500 kJ
(b) 50 kJ
(c) 5000 kJ
(d) 5 kJ
Which of the following limits the number of trophic levels in a food chain?
(a) insufficient food supply from producer level
(b) decrease in energy at higher trophic levels
(c) increase in the number of organisms at higher trophic levels
(d) accumulation of harmful chemicals at higher trophic levels
Arrange the following in a correct sequence and form a food chain
Human → Insect → Algae → Fish
Which of the following is an autotroph?
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Grass → Grasshopper → Frog → Snake → Hawk
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