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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.
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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
Give reason to justify the following: Flow of energy in a food chain is unidirectional.
Why are green plants called producers?
What are planktons?
Which category of organisms forms the starting point of a food chain?
What is the difference between the food habits of organisms belonging to the first and the third trophic levels? Give one example each of the organisms belonging to these two trophic levels.
At which trophic level a person is feeding when he is eating bread.
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Which organism in the above food chain is a (1) primary consumer, and (2) tertiary consumer?
Explain why, a food chain usually cannot have more than three or four steps.
______ obtained energy from the chemical breakdown of dead organisms.
In the following food chain, vertical arrows indicate the energy lost to the environment and horizontal arrows indicate energy transferred to the next trophic level. Which one of the three vertical arrows (A, C and E) and which one of the two horizontal arrows (B and D) will represent more energy transfer? Give reason for your answer.
A food chain in a forest ecosystem
