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The amoeba is a one-celled animal in the Kingdom Protista. This is image 2 of phagocytosis.

Amoeba

The amoeba is a one-celled animal in the Kingdom Protista. This is image 2 of phagocytosis.

"Fig. 1, Monads; 2, Forms assumed by the Ameoba; 3, Flask Animalcules, Enchelis; 4, Actinophrys sol; 5, Euglena viridis ; 6, Gonium pectorale; 7, Trachelias anas ; 8, Paramecium aurelia ; 9, Navicula; 10, Vibrie Spirillum; 11, Vorticella Stentor" — Goodrich, 1859

Forms of the animalcules, magnified

"Fig. 1, Monads; 2, Forms assumed by the Ameoba; 3, Flask Animalcules, Enchelis; 4, Actinophrys sol;…

"This is the most common species of the <em>Euglenia</em>, and is among the most widely diffused of all the Infusioria. It is this animalcule which is often met with covering stagnant pools with a floating surface of green."

Euglena Viridis

"This is the most common species of the Euglenia, and is among the most widely diffused of…

Globigerina, a type of foraminiferan, has a kind of chalk-like shell.

Globigerina

Globigerina, a type of foraminiferan, has a kind of chalk-like shell.

Related to the Paramecians. These are remarkable for their size and voracity; they sometimes attain the length of a twelfth of an inch.

Kondylostoma Patens

Related to the Paramecians. These are remarkable for their size and voracity; they sometimes attain…

The paramecium is a one-celled ciliate in the Kingdom Protista. This one is dividing.

Paramecium

The paramecium is a one-celled ciliate in the Kingdom Protista. This one is dividing.

The paramecium is a one-celled ciliate in the Kingdom Protista. These two are separating after conjugation.

Paramecium

The paramecium is a one-celled ciliate in the Kingdom Protista. These two are separating after conjugation.

Paramecium are one-celled organisms. They are elliptical in shape and active swimmers.

Paramecium

Paramecium are one-celled organisms. They are elliptical in shape and active swimmers.

Paramecium are one-celled organisms. They are elliptical in shape and active swimmers.

Paramecium

Paramecium are one-celled organisms. They are elliptical in shape and active swimmers.

Paramecium are one-celled organisms in the Protista kingdom. They are slipper-shaped, nearly transparent and move by way of cilia. nucleus (n); vesicles (v);

Paramecium

Paramecium are one-celled organisms in the Protista kingdom. They are slipper-shaped, nearly transparent…

Paramecium are one-celled organisms in the Protista kingdom. They are slipper-shaped, nearly transparent and move by way of cilia. nucleus (n); vesicles (v);

Paramecium

Paramecium are one-celled organisms in the Protista kingdom. They are slipper-shaped, nearly transparent…

Paramecium are one-celled organisms in the Protista kingdom. They are slipper-shaped, nearly transparent and move by way of cilia.

Paramecium

Paramecium are one-celled organisms in the Protista kingdom. They are slipper-shaped, nearly transparent…

"Paramecium in optical section. A, anterior end; c, tilia; e.d., ectosarc; e.n., endosarc; f.v., food "vacuole"; g, gullet; N, meganucleus; n, micronucleus; o, oral groove, leading to the mouth; p.v., pulsating vacuoles in different stages of contraction; tr., trichocysts; v, food vacuole in process of formation." &mdash; Galloway

Paramecium

"Paramecium in optical section. A, anterior end; c, tilia; e.d., ectosarc; e.n., endosarc; f.v., food…

"Paramecium Bursaria is the only species of Paramecium that forms symbiotic relationships with algae, and are often used in biology classrooms as examples of protozoans, and as examples of symbiosis."

Paramecium Bursaria (Pritchard)

"Paramecium Bursaria is the only species of Paramecium that forms symbiotic relationships with algae,…