Question

III. Differentiate between:
2. Saprophytes and parasites
1. Autotrophs and heterotrophs​

Answer 1

Answer:

Parasite and saprotrophic nutrition belong to the heterotrophic mode of nutrition.

• A mode of nutrition in which organisms obtain nutrition from dead and decaying matters is called the Saprotrophic Nutrition.

• Parasitic Nutrition refers to heterotrophic nutrition, in which parasites depend on other living organisms for their food.

Difference Between Parasitic and Saprotrophic Nutrition

Parasitic Nutrition

• It has intracellular digestion

• Feed on the living organism by causing harm to the living organism

• Example:-Bacteria, Plasmodium, etc.

Saprotrophic Nutrition

• It shows extracellular digestion.

• Feeds on dead organic matter.

• Example: -Fungi, etc

Difference Between Heterotrophs And Autotrophs

Heterotrophs

• They are organisms which cannot prepare their own food and depend on others for it.

• Does not contain chloroplast

• Derive it directly or indirectly from other organisms

• types of heterotrophs Photoheterotroph and Chemoheterotroph

• Not capable of storing energy

• Can move from one place to another for food

• ExampleAnimals such as elephant, cat, horse, cat, cow, dog, 

Autotrophs

• They are organisms that can make their own food with sunlight, air and water’s help.

• Green plants contain chloroplast

• Derive it from inorganic sources after converting light energy into chemical energy

• types of autotrophs Photoautotroph and Chemoautotroph

• Store chemical energy and sunlight

• Cannot move from one place to another

• Example Green plants, algae and some bacteria

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