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These belong to the category of primary consumers

Snakes and Frogs
Insects and cattle
Eagle and snakes
Water insects
Additional Questions

Transfer of energy in different trophic levels of an ecosystem is called

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Hydrarch succession takes place in

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The term 'Ecosystem' was coined by

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Total amount of living material at the various trophic levels of a food chain is depicted by pyramids of

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The nature's cleaners are

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Deserts, grasslands, forests and tundra are the examples of

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Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time?

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Average total rainfall is 100 - 150 cm in ______, located in Australia, South America and Africa.

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About 70% of total global carbon is found in

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When the two ecosystems overlap each other, the area is called

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