Explain how Fungus like Protists Obtain their Nutrition

Explain how Fungus like Protists Obtain their Nutrition

Fungus-like protists are a group of single-celled organisms with a unique way of obtaining their nutrition. They are called “fungus-like” because they share certain characteristics with true fungi, such as the ability to produce and decompose organic matter. However, they are considered protists, not fungi, due to differences in their cellular structure and reproductive methods. In this article, we will explore how fungus-like protists obtain their nutrition.

Types of Fungus-like Protists

Fungus-like protists are diverse organisms, including slime molds, water molds, and downy mildew. Despite their differences, they all can obtain their nutrition by breaking down organic matter and absorbing the nutrients released.

Nutrition by Absorption

Fungus-like protists obtain nutrition by absorbing the nutrients they break down from the organic matter. They do this by secreting digestive enzymes into the environment, which break down complex organic molecules into simpler compounds. The protists then absorb these simpler compounds, providing the energy and nutrients they need to survive.

This process of absorbing nutrients is similar to how true fungi obtain their nutrition, but it is different from how most other single-celled organisms, such as bacteria and algae, obtain their nutrients. Unlike these organisms, which usually obtain their nutrition by taking in small molecules directly from their environment, fungus-like protists must first break down the organic matter to release the nutrients they need.

Nutrition by Endocytosis

In addition to obtaining their nutrition by absorption, some species of fungus-like protists can also obtain their nutrients through endocytosis. In this process, the protists take in small particles or droplets of organic matter by surrounding them with their plasma membrane and forming a cyst, or small sac. The vesicle then moves into the protist’s cytoplasm, where the organic matter is broken down, and the nutrients are absorbed.

Nutrition by Parasitism

Some fungus-like protists are parasites, meaning they obtain their nutrition by living on or inside other organisms. For example, downy mildews are parasites that feed on plant cells, while water molds feed on aquatic plants and animals.

These parasites obtain their nutrition by secreting digestive enzymes into their host’s cells and absorbing the released nutrients. In some cases, they may penetrate the host’s cells and feed on their contents directly.


Fungus-like protists are a diverse group of single-celled organisms with a unique way of obtaining their nutrition. They obtain their nutrients by breaking down organic matter and absorbing the released nutrients through endocytosis or living as parasites on other organisms. The specific method that a fungus-like protist uses to obtain its nutrition will depend on its species and the environment in which it lives.

Also Read: Efficient numerical schemes for population balance models

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