What are the differences between autotrophic nutrition and heterotrophic nutrition?
Autotrophic nutrition means that the organism is preparing its own food and is not dependent on any other organism for food. Green plants are autotrophs. Heterotrophic nutrition means that the organism does not prepare its own food and is dependent on other organisms for food. All organisms which are not among green plants are heterotrophic. 6. Where do plants get each of the raw materials required for photosynthesis? Answer: 7. What is the role of the acid in our stomach? Answer: The hydrochloric acid is found in our stomach. It helps in killing harmful germs which may have come along with food. 8. What is the function of digestive enzymes? Answer: The function of digestive enzyme is to hasten the process of breaking up of complex molecules into simpler and absorbable molecules. This makes it easy for the body to absorb food. 9. How is the small intestine designed to absorb digested food? Answer: In the small intestine the innermost layer is in the shape of finger like structures. The
