Question

how does organism obtain their food nutrition

Answer 1

Food is the material from which organisms through respiration obtain the energy required to sustain life and carry out all the other defining functions of living things. ... Autotrophic organisms make their own food by a process called photosynthesis

Answer 2

Autotrophic organisms make their own food by a process called photosynthesis, Green plants, for example, manufacture sugar and starch from carbon dioxide and water using the energy of sunlight to drive the necessary chemical reactions. Heterotropic organisms obtain their food from the bodies of other organisms.