Question

Phylum protozoa classification with its four subphyla

Answer 1

Answer:

Protozoa are one-celled animals found worldwide in most habitats. Most species are free living, but all higher animals are infected with one or more species of protozoa. Infections range from asymptomatic to life threatening, depending on the species and strain of the parasite and the resistance of the host.

Explanation:

Answer 2

Answer:

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All protozoal species are assigned to the kingdom Protista in the Whittaker classification. The protozoa are then placed into various groups primarily on the basis of how they move. The groups are called phyla (singular, phylum) by some microbiologists, and classes by others.

Classification Of Protozoa sub phyla :-

(1) Amoeboid protozoans or sarcodines :-

They are unicellular, jelly-like protozoa found in fresh or sea water and in moist soil. Their body lacks a periplast.

(2)Flagellated protozoans or zooflagellates :-

They are free living, non-photosynthetic flagellates without a cell wall. They possess flagella for locomotion and capturing prey.

(3) Ciliated protozoans or ciliates:-

They are aquatic individuals that form a large group of protozoa. Their characteristic features are the presence of numerous cilia on the entire body surface and the presence of two types of nuclei

(4) Sporozoans :-

They include disease causing endoparasites and other pathogens. They are uninucleate and their body is covered by a pellicle.

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