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Can Plants be Parasites?
All living things are dependent either on other animals or plants for their food. Animals must constantly go in search of food. But plants remain fixed at one place. Some plants make their own food by using energy from sunlight to convert carbon dioxide from the air and water from the soil to make sugar. Green leaves of the plants contain chlorophyll that carry out this process called photosynthesis. But a large number of plants are unable to produce their own food because of the absence of chlorophyll....
Do Some Animals Farm?
We all live the way we do in villages and cities because a long, long time ago, the early humans gave up hunting for farming. They domesticated plant species by cultivation, ploughed the land and harvested the grain. That was the beginning of civilisation as we understand it. But, do you know that certain ant species were actually farming fungus years before humans learnt how to farm? For many millions of years, ants belonging to the attines group were farming and cultivating fungi in their anthill nests....
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