Q. Pyramids of number in grassland ecosystem are inverted.

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Q. In ecosystem standing crop refers to________________

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Q. Which ecosystem produce the highest annual net primary productivity?

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Q. What flows through the ecosystem while matter cycles within them?

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Q. Total primary production in an ecosystem is known as____________________

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Q. Which type of ecosystem accounts for most of the net primary productivity on earth even though it has a low average net primary productivity?

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Q. Generally ecosystem consists of how many basic components?

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Q. The three functional components interact with each other to form__________________

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Q. The dominant second tropic level in a lake ecosystem is_____________________

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Q. Green plants are the most important organisms for an ecosystem.

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Q. Consumer for food that feeds on producers are known as_____________________

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Q. The food chain from grass to hawk and again it comes back to grass with the help of fungi. In the above explain food chain, what is grass?

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Q. The process in which green plants and few organisms use sunlight to synthesize nutrients is known_________________

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Q. The process of making food by certain microbes create energy by some chemical reactions is known as_______________________

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Q. The grass is a producer.

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Q. The food chain level in autotrophy is_____________

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Q. Autotrophic bacteria that produce food through chemosynthesis have also been found at places on the seafloor called_____________________

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Q. Most types of algae are classified as producers.

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Q. What makes plant producers?

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Q. The producers within an underwater ecosystem are called as_____________________

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