Question

Why do plants only make their food by photosynthesis? Why animals couldn't make their food by this complex process​

Answer 1

Answer:

BECAUSE

Explanation:

BECAUSE NATURE LIKE THAT

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Answer 2

Answer:

photosynthesis means production of the food using the light energy. So the main game changers are those photosynthetic pigments ( photosynthetic pigments are chemical compounds which can loose and gain their e- while balancing their molecular structure. ex: chlorophyll)  , which convert photon's/ sunlight's energy into reusable form to utilize it for food/ glucose production.

As animals lack such pigments, they are unable to make their own food using sunlight's energy.

Explanation:

Photosynthesis is mainly about utilizing the sunlight and the energy stored in photons ( photons are small energy packets of light, which stores energy) to produce own food by fixing CO2 ( this fixation is done by various steps like:

1. utilizing the sunlight and converting it into chemical energy with help of photosynthetic pigments (these pigments are capable of converting the photon's energy into the chemical energy for producing/ synthesizing NADPH and ATP like energy rich molecules.
2. Then these energy rich- molecules are further used to fix the carbons.
3. it means that, take CO2 inside and combine 6 of such carbons to form a food like biomolecule ( glucose is 6 carbon containing molecule which is mostly used as food in living organisms) ).

So the main game changers are those photosynthetic pigments ( photosynthetic pigments are chemical compounds which can loose and gain their e- while balancing their molecular structure. ex: chlorophyll)  , which convert photon's/ sunlight's energy into reusable form to utilize it for food/ glucose production.

As animals lack such pigments, they are unable to make their own food using sunlight's energy. Hence they use other organism's synthesized glucose (like in case of humans, they eat plants and other animals).

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