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List any two abiotic component of an ecosystem |
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Answer» Air or water \tSunlightThe energy obtained from sunlight is essential for the production of food by photosynthesis.AirOxygen from the air is essential to animals for respiration.Carbon dioxide is useful to plants for photosynthesis.Air serves as a medium for the flight of birds, insects etc.Air is an agent for the dispersal of seeds, fruits, flowers, pollen etc.WaterWater is used by plants and animals for drinking and various other purposes.Water is the chief constituent of protoplasm in cells.It is required for various biochemical reactions which occur in organisms.It helps to transport nutrients and excretory products in organisms.TemperatureTemperature affects the distribution of living organisms in the environment.It affects the enzymatic activities in organisms.Hot, mild or cold temperature influences the kind of body functions of plants and animals living in such areas.Most plants and animals survive between 10°C and 40°C.SoilSoil provides the substratum for the growth of plants.It contains water and mineral nutrients such as sodium and potassium required by plants.Soil also provides a dwelling place for burrowing animals such as rats, snakes and earthworms which even swallow the mud containing dead organic matter.In deserts, soil provides support to plants such as prickly pear and date palms.Even water bodies have some soil at the bottom which is required by organisms living there.\t Rocks and wind |
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