Write a note on the holozoic nutrition in animals. Explain all the steps.
Answers
This process takes place in following steps:
*Ingestion. The process of taking food inside the body is called ingestion.
*Digestion. In digestion the ingested food is converted into simple form with the help of digestive enzymes.
*Absorption. ...
*Assimilation. ...
*Egestion.
Answer:
Holozoic nutrition (Greek: holo-whole ; zoikos-of animals) is a type of heterotrophic nutrition that is characterized by the internalization (ingestion) and internal processing of gaseous, liquids or solid food particles. ... Ingestion: In animals, this is merely taking food in through the mouth.
Explanation:
1. Ingestion
The process of taking food inside the body is called ingestion.
2. Digestion
In digestion the ingested food is converted into simple form with the help of digestive enzymes.
3. Absorption
In this stage the food digested in second step is absorbed into the cells of body.
4. Assimilation
Assimilation is the process of utilizing the food absorbed in third step by various cells of the body.
5. Egestion
Egestion is the final step of holozoic nutrition in which the undigested food is removed from the body.