Organism which depend on others for food is called Heterotropic nutrition.For example:Human beings depend on others for food.

Heterotrophic Nutrition in Animals

Heterotrophic nutrition is a type of nutrition in which organisms obtain their food from other organisms. Animals are heterotrophic organisms, and they cannot produce their food like plants do. Therefore, they rely on other organisms for their food.

Types of Heterotrophic Nutrition in Animals

There are different types of heterotrophic nutrition in animals, such as:

1. Carnivores: Animals that eat only other animals are called carnivores. Examples include lions, tigers, and wolves.

2. Herbivores: Animals that eat only plants are called herbivores. Examples include cows, horses, and rabbits.

3. Omnivores: Animals that eat both plants and animals are called omnivores. Examples include humans, bears, and pigs.

Mechanism of Heterotrophic Nutrition in Animals

The process of heterotrophic nutrition in animals involves the following steps:

1. Ingestion: The first step in the process of heterotrophic nutrition is the ingestion of food. Animals use their mouth to take in food.

2. Digestion: The food that is ingested needs to be broken down into simpler forms that can be absorbed into the body. This process is called digestion. Different animals have different digestive systems.

3. Absorption: Once the food is digested, the nutrients are absorbed into the body.

4. Assimilation: After absorption, the nutrients are assimilated into the cells to provide energy to the body.

Conclusion

In conclusion, animals are heterotrophic organisms that rely on other organisms for their food. They obtain their food through the process of heterotrophic nutrition, which involves ingestion, digestion, absorption, and assimilation.