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What are the nonliving components indispensable for us?

Important Questions on Our Environment

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Science>Biology>Our Environment>Ecosystem and its Components
What is a food chain?
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Science>Biology>Our Environment>Ecosystem and its Components
Define environment.
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Science>Biology>Our Environment>Ecosystem and its Components

Write the factors affecting the environment.

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Science>Biology>Our Environment>Ecosystem and its Components
Define Herbivores?
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Science>Biology>Our Environment>Ecosystem and its Components
Several food chains of a region interconnect to form a _____.
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Science>Biology>Our Environment>Ecosystem and its Components
What is the role of decomposers in the ecosystem?
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Science>Biology>Our Environment>Ecosystem and its Components
Why are herbivores considered similar to predators in the ecological context?
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Science>Biology>Our Environment>Ecosystem and its Components

Fill in the blank with an appropriate word:

Plants are the food _____ (consumers/decomposers/producers). 

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Science>Biology>Our Environment>Ecosystem and its Components
Define Photic Region.
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Science>Biology>Our Environment>Ecosystem and its Components
Which of the following constitute a food-chain?
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Science>Biology>Our Environment>Ecosystem and its Components
What are phytoplankton and macrophytes?
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Science>Biology>Our Environment>Ecosystem and its Components
Flow of energy in an ecosystem follows the principles of _____.
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Science>Biology>Our Environment>Ecosystem and its Components
What will happen if we kill all the organisms at one trophic level?
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Science>Biology>Our Environment>Ecosystem and its Components
What do you mean by abiotic components of the ecosystem? Name five of them.
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Science>Biology>Our Environment>Ecosystem and its Components

Explain the following with suitable examples.

What type of changes occurs in the amount of energy during its transfer from plants to apex consumers?

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Science>Biology>Our Environment>Ecosystem and its Components
What are trophic levels? Give an example of a food chain and state the different trophic levels in it.
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Science>Biology>Our Environment>Ecosystem and its Components
What is meant by 'food web'? Explain with a diagram.
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Science>Biology>Our Environment>Ecosystem and its Components

Find the names of two herbivorous, two carnivorous and two omnivorous animals in the word grid below.

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Science>Biology>Our Environment>Ecosystem and its Components
Will the impact of removing all the organisms in a trophic level be different for different trophic levels? Can the organisms of any trophic level be removed without causing any damage to the ecosystem?
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Science>Biology>Our Environment>Ecosystem and its Components
If there were no _____ the earth would have been a heap of dead organisms.(Decomposers/ Herbivores)