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| 1. |
Why are crop fields known as artificial ecosystem |
| Answer» An agricultural field is considered to be an artificial ecosystem due to following reasons.\tIt is man made ecosystem hence considered as artificial ecosystem.\tIt has all the components of the ecosystem. Abiotic fctors include air, water, soil etc. Biotic factors include all the living organisms like plants, animals and microbes.\tIt comprises various phenomena such as flow of energy, food chains, food webs etc.\tFor example, an agriculturist cultivating rice can culture the fish as well in the same farm. Water is made to stand in the rice field which allows the growth of planktons. Fish feed on these planktons. Fish are fed by cranes. Cranes are fed by snakes.Planktons\xa0→ Fish → Cranes\xa0→ Snakes | |