Q:

What is the phylum zoomastigina?

A:

The Phylum Zoomastigina contains organisms, such as trichonympha and trypanosome, which have flagellum and belong to the larger class of protozoa. This phylum includes many different organisms, but all have the distinct feature of having flagellum, which are long, whip-like extensions in their rears that look and function like tails. Organisms in this phylum are eukaryotes; they lack chloroplasts and may live in many different environments, including the surface of the Earth, below ground, in the atmosphere and in water.

Flagellates and trypanosomes are among the most common organisms in the Phylum Zoomastigina. Flagellates are unicellular and eukaryotic organisms. As with other species in the phylum, flagellates have flagella, but these extensions develop as flagellates enter adulthood. Flagellates are among the oldest and most abundant organisms on Earth; they are primitive in biological composition and outward appearance. They are abundant and live in many areas, including the digestive tracts of other organisms, including mammals and even humans. Flagellates are heterotrophic and may reproduce sexually or asexually. Trypanosomes are similar to flagellates in appearance, but they live almost exclusively in the digestive systems of mice and rats. These organisms are among the smallest zoomastigina species, and are generally benign, unlike flagellates and other zoomastiginas, which may carry and produce disease and infection.

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    What is the structure of the Euglena?

    A:

    According to Kenyon College, the structure of the single-celled eukaryotic Euglena includes a spiral exoskeleton outside of a long, thin cell with a flagellum for motion and, in most cases, several internal chloroplasts. They are capable of both photosynthesis and consuming other organisms in their environment.

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    What are examples of protozoa?

    A:

    Cryptosporidium, Toxoplasma gondii, Pneumocystis carinii, Acanthamoeba, Giardia lamblia and Naegleria are all examples of protozoa. They are unicellular eukaryotic organisms that exist in all habitable environments on Earth, and many species of protozoa act as parasites on higher animals.

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    How are protozoa classified?

    A:

    Protozoa are classified as single-celled organisms called eukaryotes, which belong to the subkingdom Protista. Individual types of protozoa within this subkingdom are typically identified by observing their form of movement.

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    What is the difference between a protozoa and a bacteria?

    A:

    Bacteria and protozoa are very distantly related, with bacteria classified as prokaryotes and protists as eukaryotes. This means that protozoa are more closely related to humans than either is to bacteria. The two organisms are structurally distinct. Bacterial cells lack a nucleus, and protozoa contain organelles, such as mitochondria.

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