Heterotrophs need only a few more genes than autotrophs.

Question

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Heterotrophs require a larger number of genes as they cannot synthesize their own food and instead depend on consuming other organisms for energy. This requires them to have specific genes for digestion, nutrient uptake, and many other functions involved in acquiring and utilizing food. Autotrophs, on the other hand, can produce their own food through photosynthesis, requiring fewer genes overall.

Heterotrophs Need Only a Few More Genes Than Autotrophs