Infusoria

Infusoria is a collective term for minute aquatic creatures such as ciliates, euglenoids, protozoa, unicellular algae and small invertebrates that exist in freshwater ponds. The term is often used in the context of microbiology and zoology.

Overview

Infusoria are organisms that are typically found in infusions of decaying organic material. They are used as food for aquarium fish and invertebrates during their early stages of development. Infusoria are also used in research, particularly in the field of genetics.

Characteristics

Infusoria are characterized by their small size, usually less than 0.5 mm in length. They are typically unicellular, although some species are multicellular. Infusoria are heterotrophic, meaning they obtain their energy from organic substances. They reproduce both sexually and asexually.

Classification

Infusoria are classified under the kingdom Protista, which includes a diverse group of eukaryotic microorganisms. Within the kingdom Protista, infusoria are further classified into various phyla and classes, including the phylum Ciliophora, which includes the ciliates, and the phylum Euglenozoa, which includes the euglenoids.

Habitat

Infusoria are found in a variety of aquatic environments, including freshwater ponds, streams, and lakes. They are also found in soil and in the gut of various animals.

Role in Ecosystem

Infusoria play a crucial role in the ecosystem. They are a key component of the microbial loop, which is the process by which nutrients are recycled in aquatic ecosystems. Infusoria also serve as a food source for larger organisms, including fish and invertebrates.

See Also

• Protista
• Ciliophora
• Euglenozoa
• Microbial loop

References

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Infusoria

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