Forest Provide Habitat for Wildlife : The different types of vegetation present in a forest provide food and shelter to animals, birds and insects which live in the forest. This makes a foods chain. Food chain : Food chain can be defined as a sequence of living organisms in which one organisms feeds on another. A typical chain in grassland is : A typical food chain in a pond is:
Flow of Energy : The sun is the ultimate source of energy for everything on the planet. Green plants or producers are able to harness the energy of the sun to make food. In a food chain, energy from plants is passed on from one organism to another. From the producers , the energy goes to primary consumers and is then passed on to secondary consumers . Thus, producers are always at the begining of the food chain.
By harbouring greater variety of plants, the forest provides great opportunities of food and habitat for the herbivores. Large number of herbivores means increased availability of food for a variety of a carnivores. The wide variety of animals helps the forest to regenerate and grow. Decomposers help in maintaining the supply of nutrients to the growing pants in the forest. Therefore, the forest is a dynamic living entity. There is a continuous interaction between soil, water, air, plants and animals in a forest.
Which of the following are correct ? (a) The sun is the ultimate source of energy for everything on the planet. (b) In a food chain, energy from plants is passed on from one organism to another. (c) Decomposers help in maintaining the supply of nutrients to the growing pants in the forest. | |||
Right Option : D | |||
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A typical food chain in a pond is ____________ . | |||
Right Option : A | |||
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Decrease in species diversity in tropical countries is mainly due to ___________________ | |||
Right Option : C | |||
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