What are the differences between autotrophic nutrition and heterotrophic nutrition?
Answers
Answer:
Autotrophs are organisms that prepare their own food through the process of photosynthesis,
H eterotrophs are organisms that cannot prepare their own food and depend upon autotrophs for nutrition.”
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Type of Organisms
Autotropic Nutrition :- Usually members of the plant kingdom and certain unicellular organisms like cyanobacteria
Heterotrophic Nutrition :-All members of the animal kingdom
Classified Into
Autotropic Nutrition :- These can be classified as photoautotrophs and chemoautotrophs.
Heterotrophic Nutrition :- These can be classified as photoheterotrophs and chemoheterotrophs.
Presence of chloroplasts
Autotropic Nutrition:- The chloroplast helps in preparing food.
Heterotrophic Nutrition :- They do not contain chloroplast, so cannot prepare food
Energy is obtained from
Autotropic Nutrition :-The chloroplast helps in preparing food.
Heterotrophic Nutrition :- They obtain energy directly or indirectly from other organisms.
Energy Storage
Autotropic Nutrition :-Autotrophs can store light energy and chemical energy.
Heterotrophic Nutrition :-Heterotrophs cannot store energy.
In Food Chain
Autotropic Nutrition :-They are placed at the primary level in the food chain.
Heterotrophic Nutrition:- They are placed in the secondary or tertiary level in the food chain.
Locomotion
Autotropic Nutrition:-They cannot move from their place.
Heterotrophic Nutrition :-Can move from one place to another in search of food and shelter.
Examples
Autotropic Nutrition :-Green plants, algae and a few photosynthetic bacteria are examples of autotrophs.
Heterotrophic Nutrition:- Cows, buffaloes, tigers, horses, humans are examples of heterotrophs.