What are the modes of nutrition?

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Heterotrophic

All of the above

Phototrophic

Chemotrophic

answer is D.

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Detailed Solution

Concept: Sustenance is the method to get and utilize nourishment or supplements. It is primarily separated into two categories autotrophic (living beings plan their claim nourishment) and heterotrophic (life forms get nourishment from other living beings).

1. Phototrophic: Life forms prepare their claim nourishment within the nearness of daylight, water, and carbon dioxide, e.g., green plants.

2. Chemotrophic: Life forms plan their claim nourishment within the nearness of chemicals such as nitrate, hydrogen sulphate, iron, etc., e.g., sulfur bacteria

3. Heterotrophic: They depend upon other life forms for nourishment. This is often regularly called the heterotrophic mode of nourishment. The life forms which depend upon plants or other life forms for nourishment are called heterotrophs.

Hence, the correct answer is option D.

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