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प्रश्न
Explain about the aquatic biomes on Earth.
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उत्तर
Aquatic biome is a group of living organisms that live and interact with one another and its aquatic environment for nutrients-and shelter. It is broadly classified as fresh water biomes and marine biomes.
- Fresh water Biomes:
- Fresh water biomes comprise lakes, ponds, rivers, streams,.wetlands, etc.
- It is influenced by various abiotic components such as the volume of water, water flow, composition of oxygen, temperature, etc.
- Humans rely on freshwater biomes for drinking water, crop irrigation, sanitation, and industry.
- Water lily, lotus, duck weeds, etc. are the common plants found here.
- Trout, salmon, turtles, crocodiles, etc. are the animals found here.
- Marine Biomes:
- They are the largest aquatic biomes on earth.
- They are continuous bodies of salt water and provide a wide range of habitats for marine plants and animals.
- Coral reefs are a second kind of marine biomes within the ocean.
- Estuaries, coastal areas where salt water and fresh water mix, form a third unique marine biome.
- As water provides maximum mobility to marine organisms, nutrients are circulated more quickly and efficiently here than the terrestrial biomes.
- Apart from animals, plants such as kelp, algae, phytoplankton, etc. also grow in water.
- Some of the threats and issues to aquatic biomes are overfishing, pollution, and rise in sea level.
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संबंधित प्रश्न
Mention the various terrestrial biomes.
Distinguish between Savannas and Tundra.
Locate the following on the world outline map.
- Prairies
- Downs
- Tundra Biomes
- Equatorial Biomes.
In India where do we find hot spots?
What threat is posed by the savanna grasslands?
What is a Biosphere Reserve?
Explain the need for conservation.
Assertion (A): As the soil is sandy and saline deserts remain agriculturally unproductive.
Reason (R): Tribal people who live in deserts practice food gathering and hunting.
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Reason (R): Terrestrial animals use only 2-4% of energy to obtain oxygen.
Mention the Temperate Grasslands in different parts of the world.
