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Choose an organism that is an example of parasitism.
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Important Questions on Ecosystems
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Marine water is unfit for drinking because
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Saline water is usually found in _____.
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Which of the following kinds of water is not usable?
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The process of replanting areas after the original trees was removed is known as:
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What do you understand by 'symbiosis'?
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Why does the earth appear blue from space?
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Describe natural resources with references to ocean resources.
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Most of the water available on the earth's surface is contained in _____.
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Here are two relationships-
- Cuscuta and a tree.
- The alga and fungus in lichen.
Which of these is a symbiotic relationship? Why?
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Write the quadrants in which the following points lie:
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State whether the following statements are True or False. If false, write the correct statement.
Ocean water cannot be used for domestic purposes.
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What do you understand by symbiotic relationship? Give one example mentioning the organisms involved in it.
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What do you understand by desalination of water?
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The seawater is salty to taste. Why?
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Brown algae are found in marine water bodies.
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The pictures of Earth taken from space appear to be blue because _____.
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Cotyledons are also called-
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Which is correct food chain ?
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Why is sea and ocean water unfit for human consumption?
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Which of the following kinds of water is not usable?
