Biology

Difference Between Holozoic Nutrition and Holophytic Nutrition

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Main Difference

The main difference between Holozoic Nutrition and Holophytic Nutrition is that Holozoic Nutrition is common in animals, whereas Holophytic Nutrition is common in plants.

Holozoic Nutrition vs. Holophytic Nutrition

In holozoic nutrition mode, living organisms get their food for organic compounds and energy by the internal processes; on the other hand, in holophytic nutrition, living organisms obtain their food for energy and natural blocks by the process of photosynthesis. Holozoic nutrition is more common in animals, including protozoans and humans; on the flip side, holophytic nutrition is more common in plants.

In holozoic nutrition, organisms use the complex organic compounds in the solid or liquid form; on the opposite side, in holophytic nutrition, plants use the simple inorganic substance in gas and liquid form. There are a total of five stages, including ingestion, absorption, digestion, assimilation, and egestion of holozoic nutrition; on the other hand, there are two stages, including synthesis and assimilation of holophytic nutrition. Holozoic nutritional organisms have a well developed and highly organized digestive system; on the opposite side, holophytic nutritional organisms are deficient in the digestive system.

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In holozoic, nutrition there is no need for any sunlight; on the other side of the coin, in holophytic nutrition, sunlight is necessary during the sunlight. Holozoic nutrition is also known as heterotrophic nutrition; on the other hand, holophytic nutrition is also known as autotrophic nutrition. Holozoic nutrition is more common in consumers; on the other hand, holophytic nutrition is more common in producers.

Comparison Chart

Holozoic NutritionHolophytic Nutrition
Living organisms get their food for organic compounds and energy by the internal processesLiving organisms get their food for energy and organic blocks by the process of photosynthesis
Occurs In
Occurs in animals including humans and protozoansOccurs in plants by the process of photosynthesis
Intake
Organisms intake complex organic compounds in solid or liquid formOrganisms intake simple inorganic materials in liquid or gas form
Phases
Ingestion, digestion, absorption, assimilation, and egestion.Synthesis and assimilation
Digestive System
It has a well developed and organized digestive systemOrganisms lack a digestive system
Sunlight
Sunlight is not necessary for this processSunlight is essential in this process
Another Mode
A type of heterotrophic nutritionA type of autotrophic nutrition
Common In
It is common in consumersIt is common in producers
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What is Holozoic Nutrition?

Holozoic nutrition is the internal process of the body of organisms that is used to make food for the energy and other metabolism and the building of other organic blocks. It is the type of heterotrophic nutrition that is more common in animals and protozoans that depend on autotrophs and get food and energy from them. We can say that it is more common among all consumers. As they are not personally involved in the formation of food, so they do not need sunlight in their nutritional process.

Holozoic animals usually utilize the complex organic compounds that are prepared by the autotrophs and converted into other compounds to get energy. There are a total of five phases of holozoic nutrition. The first one is the ingestion of complex organic compounds. The second one is digestion, third is the absorption, assimilation, and the final one is the egestion of waste substances.

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Holozoic nutrition is more common in animals having a well developed digestive system. It is basically the internalization process of getting energy in the animals. It is because consumers cannot produce food and energy. Many enzymes are involved in the digestion and assimilation process.

What is Holophytic Nutrition?

Holophytic nutrition is the metabolic process in the living organisms that is used to prepare food for energy and metabolism and the building of other organic compounds. It is the type of autotrophic nutrition that is more common in plants and autotrophic microorganisms in which the organisms can prepare their food by the process of photosynthesis. Many other heterotrophic organisms live on the organisms that produce their own food.

It is more common in producers. They can prepare their food personally without depending on another. It utilizes simple or complex inorganic substances to convert them into organic materials for energy purposes. There are only two phases of holophytic nutrition. The first one is the synthesis, and the second one is assimilation.

It is the mode of nutrition that is just common in plants having no digestive system like the animals. It is the metabolic process on which all the other organisms are dependent. But in this process, the foremost essential requirement is the sunlight that is used to start this process. This energy is just used in the chloroplasts. It uses several other enzymes to complete this process.

Key Differences

  1. Holozoic nutrition is more common in animals; on the other hand, holophytic nutrition is more common in plants.
  2. In holozoic nutrition, sunlight is not necessary; on the other side of the coin, in holophytic nutrition, sunlight is essential in photosynthesis.
  3. In holozoic nutrition mode, living organisms get their food for organic compounds and energy by the internal processes; on the other hand, in holophytic nutrition, living organisms obtain their food for energy and organic blocks by the process of photosynthesis.
  4. Holozoic nutrition considered as heterotrophic nutrition; on the flip side, holophytic nutrition is considered as the autotrophic.
  5. Holozoic nutrition is common in animals; on the other hand, holophytic nutrition is common in plants.
  6. Holozoic nutritional animals contain well developed digestive system; on the opposite side, holophytic nutritional animals do not contain the well developed digestive system.
  7. There are complete five stages in the holozoic nutritional process, including ingestion, digestion, absorption, assimilation, and egestion; on the other hand, there are two phases of the holophytic nutritional process, including synthesis and assimilation.
  8. Holozoic nutritional organisms always utilize the complex organic compounds for the energy and other metabolisms; on the other hand, holophytic nutritional plants still utilizes the simple inorganic substances and prepare food.

Conclusion

The above discussion concludes that the holozoic nutrition is the process in which we get energy from the internal process of the body; on the flip side, holophytic nutrition is the process in which we get energy from the photosynthesis.

Janet White

Janet White is a writer and blogger for Difference Wiki since 2015. She has a master's degree in science and medical journalism from Boston University. Apart from work, she enjoys exercising, reading, and spending time with her friends and family. Connect with her on Twitter @Janet__White

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