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A.Heterotrophic nutrition is known to be the mode of nutrition in which certain organisms are dependent on other organisms in order to survive.
Heterotrophic animals are known as consumers because they consume producers or other consumers. Dogs, birds, fish, and humans are all examples of heterotrophs.
The nutrition in which organisms prepare their own food from inorganic raw materials like carbon di oxide and water is called autotrophic nutrition.plants prepare their own food by photosynthesis
Photosynthesis is the process of production of food from carbon dioxide and water in the presence of sunlight and chlorophyll.
Events of photosynthesis-
Chlorophyll absorbs light energy.
Light energy is converted to chemical energy.
Water molecule splits into hydrogen and oxygen.
Carbon dioxide reduces to carbohydrates.
Green dots present in some cells of leaves are calledchloroplasts which contain chlorophyll.
B.• Carnivores eat only animal matter, whereas omnivores eat both animal and plant matter.
• Carnivores are strict meat eaters, but omnivorous are opportunistic
Omnivores are heterotrophs that consume from a variety of food sources including both animal and plant matter as their main natural diet. Omnivores are carnivorous as well as herbivorous; in other words, they are a mixture of the two main food habits.
C.Saprotrophic nutrition or lysotrophic nutrition is a process of chemoheterotrophic extracellular digestion involved in the processing of decayed (dead or waste) organic matter. It occurs in saprotrophs and heterotrophs, and is most often associated with fungi (for example Mucor) and soil bacteria.
Parasitic nutrition is a mode of heterotrophic nutrition where an organism lives on the body surface or inside the body of another type of organism
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