Question

short definition of chemo autotrophic nutrition for class 7​

Answer 1

Autotrophic nutrition means that simple inorganic substances are taken in and used to synthesise organic molecules. Energy is needed to achieve this. In photo-autotrophic nutrition light is the energy source.

Answer 2

Autotrophic nutrition means that simple inorganic substances are taken in and used to synthesise organic molecules. ... Chemo-autotrophic nutrition can also supply energy needs to some organisms. Simple inorganic substances are taken in and synthesised into organic molecules. Chemical energy is the source for this process.