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प्रश्न
What is meant by a primary consumer, secondary consumer and a tertiary consumer? Give one example of each.
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उत्तर
Herbivores that feed on plants are called primary consumers. Example: Insects.
Small carnivores that feed on other animals, especially herbivores, are called secondary consumers. Example: Frogs.
Large carnivores that feed on other animals, especially secondary consumers, are called tertiary consumers. Example: Birds.
Insects → Frogs → Birds
(Primary consumers) (Secondary consumers) (Tertiary consumers)
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संबंधित प्रश्न
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The following statement is true or false :
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(a) 15 J
(b) 10 J
(c) 1.50 J
(d) 0.15 J
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(a) Write a food chain comprising all the four organisms mentioned above.
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(c) Name the link which is a predator as well as a prey.
(d) Name (i) second trophic level, and (ii) third trophic level.
(e) Which link of this food chain can feed on second trophic level as well as third trophic level, independently?
(f) If the sun provides 1000 J of energy to the plants, then how much energy will be transferred to fox through the food chain.
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