b) All consumers are directly or indirectly dependent on ……………. for their energy requirements. c) There is always a ……………. flow of energy in a food chain. d) The increase in concentration of harmful chemicals at successive trophic levels is called ……………. e) A network of food chains is called a ……………. f) Ozone shields the surface of the Earth from ……………. radiation the sun. g) Forests, ponds and lakes are examples of ……………. type of ecosystems. h) The amount of energy transferred from a trophic level to the next trophic level is only …………….
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BAll consumers are directly or indirectly dependent on each other for their energy requirements .C There is always a continuous flow of energy in food chain . D The increase in harmful chemicals at successive level is called greenhouse effect . (e) A network of food chain is called food web (f) Ozone shields the surface of the earth from ultraviolet rays of the sun .(g) forest ponds and lakes are of closed ecosystem .(h) the amount of energy transfered from a tropuc level to the next tropic level is only 10%.
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their energy requirements. c) There is always a ……………. flow of energy in a food chain. d) The increase in concentration of harmful chemicals at successive trophic levels is called ……………. e) A network of food chains is called a ……………. f) Ozone shields the surface of the Earth from ……………. radiation the sun. g) Forests, ponds
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their energy requirements. c) There is always a ……………. flow of energy in a food chain. d) The increase in concentration of harmful chemicals at successive trophic levels is called ……………. e) A network of food chains is called a ……………. f) Ozone shields the surface of the Earth from ……………. radiation the sun. g) Forests, ponds