Science, asked by utsav54, 1 year ago

Why is it not necessary for plants to have a digestive system ?

Answers

Answered by Anonymous
4

Humans and other animals eat complex food, all of which may not be in the chemical forms that can be used by the body. So we need a system to process our food into usable forms. Some of our body organs produce enzymes that help in the conversion. The Digestive System in our body id the 'factory' where this happens.Plants, on the other hand, absorb water, minerals and gases at the most basic chemical forms and convert them into material for growth and life processes. Most plants do this processing in the leaf cells using sunlight for the energy or 'enabler', that is, photosynthesis. The leaf cells act as a digestive system in reverse.Plants are the prime processors of elements into biological material; that is why they are referred to as 'plants'. Plants are the beginning of the food-chain. The animals living off them have appropriate digestive systems, depending upon the place they occupy in the chain. Carnivores eat other carnivores or herbivores that eat plants that process elements and compounds. Animals cannot exist without plants.

Answered by chaurasiavikas2014
1
Hey Friends,
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Green Plants get their energy from the sun. Their leaves have cells that convert the sunlight into useable energy using the chemical chlorophyll.
We as people have a digestive system so that the carbohydrates made by the plants can be converted into energy in the cells by a process that “burns” this carbohydrate similar to a car engine burning gasoline. So the plants use sunshine to create carbohydrates and we use the carbohydrates to power our bodies.
“In plants, these energy factories are called chloroplasts. They collect energy from the sun and use carbon dioxide and water in the process called photosynthesis to producesugars. Animals can make use of the sugars provided by the plants in their own cellular energy factories, the mitochondria.”

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