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Differentiate between an autotroph and a heterotroph
 
a. An organism manufactures or synthesises its own food by .

b. In the , plants synthesise their food using simple inorganic components such as carbon dioxide and water.

c. An example of autotrophic nutrition is .

d. Species cannot produce their food from inorganic substances and must rely on the sustenance of other organisms. This type of nutrition is called as .

f. Animals come under the heterotopic nutrition; hence it is called .