Q5 of 163 Page 226

What name has been given to those organisms which break down the complex organic compounds present in dead animals and plants?

Organisms that break down the complex organic compounds present in dead animals and plants are known as Decomposers. Decomposers break down the complex organic compounds in dead animals and plants to obtain nutrients from the dead and decaying matter. For example – bacteria and fungi are decomposers.


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Which one of the following is not a terrestrial ecosystem?

Forest, Grassland, Aquarium, Desert

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Why are plants called producers?

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What are planktons?

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State whether the following statements are true or false:

(a) In biology, human beings are called producers.


(b) Secondary consumers and tertiary consumers, both are carnivores.