Short answer type question:1.why are the animals and humans called heterotrophs ?
2.name the factors which affect photosynthesis.
3.name one each of (a) totally parasitic (b) partial parasitic plants.
4.how are the soil nutrients replenished?
5.what is crop-rotation method?
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1
Answer:
humans and animals are hetrotrophs because they depend on plants or other organisms for their food.
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4
Answer:
humans and animals are considered heterotrophs as they depend on external sources for food as a source of energy.
2.two factors are- sunlight, carbon dioxide
3totally parsitic - cucusta, partially parasitic- viscum album
4.soil nutrients are replenished by different microorganisms found in the soil such as rhizobium bacteria
5. it is the practice of growing multiple crops on one piece of land according to the season it improves soil health.
hope this helps:))
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