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The autotrophic mode of nutrition requires:
(a) carbon dioxide and water
(b) chlorophyll.
(c) sunlight.
(d) all of the above.
Answer: (d) all of the above.
In the presence of sunlight, an organism prepares its own food from simple inorganic materials such as water, mineral salts, and carbon dioxide. It’s a substance found in plants. Photosynthesis is the process of preparing food, which requires carbon dioxide, water, chlorophyll, and sunlight.
When we say the autotrophic mode of nutrition, we’re referring to those who prepare their own food, and we already know that producers, such as green plants, do so.
It is also necessary for a plant to have chlorophyll in order to photosynthesize. You should also be aware of the central role chlorophyll is responsible for absorbing light energy. Furthermore, light energy is converted to chemical energy.
