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Why marine ecosystem is important?

Important Questions on Ecosystem

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Organisms which synthesise carbohydrates from inorganic compounds using radiant energy are called 
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Select the examples of the marine ecosystem from the following options:
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The Murrel (korramatta) and Rohu are fishes found in rivers. Will they be able to live in the Mangrove forest ecosystem? Give reasons for your answer.
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How are the marine ecosystems different from fresh water ones?
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Select the freshwater ecosystem from the given options which are located in Telangana state.
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Upper part of sea / aquatic ecosystem contains
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Which one of the following is an artificial ecosystem?
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An aquarium is a/an _____ecosystem.
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Write the aquatic organisms in order of who eats whom and form a chain of at least four steps:
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Why are sharp claws used in hunting? Give reasons.
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As a part of the water cycle, the trees in a forest absorb water through the roots and release it into the atmosphere in the form of
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Choose the odd one from the following:

Phytoplankton Zooplankton Small fish Big fish Silverfish
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Visit a nearby pond or a lake. Record the organisms you have observed and their adaptations?
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Brown algae are found in marine water bodies.
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Flow of energy in an ecosystem is always
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Spruce and cedar are tree varieties of