Protists

By: Katelyn Carter

What are protists?

Protists are microscopic organisms that are unicellular. They can like in water and other places. Some can cause you to get sick . Here is some information on some protists.

Amoeba

The amoeba changes shape in order to move around. To get food to survive the amoeba surrounds its food and slowly forms pseudopods and stretches its cytoplasm around it and then digests it also photosynthesis. The amoeba reproduces a sexually. If there is no sunlight outside it can not go through the process of photosynthesis to make food, so it turns into a cyst then it can survive for a period of time.
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Amoeba eats two paramecia (Amoeba's lunch)

Euglena

The euglena absorbs nutrients to get food. The euglena also has a flagella. To move it twirls its flagella around. For the euglena to reproduce it goes through a a sexual process called mitosis where it splits its self in half. To survive in its environment the euglena searches for a place that has light so it can do photosynthesis.
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Euglena - Flagellum movement in phase contrast

Paramecium

The paramecium eats bacteria, algae, and yeasts. To get the food it uses its cilia to sweep up the food and then the food falls into its oral groove. For the paramecium to move it uses its cilia to get around. Paramecium and reproduce sexually and a sexually. They reproduce by Conjugation. In the parameciums environment to survive and get away from predators it can make itself look better.
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Paramecium Feeding Magnified 400X! High Definition!

Volvox

The volvox makes its own food by photosynthesis. The volvox have two flagella that beat together for it to move. The volvox has daughter colonies so to reproduce those daughter colonies have to mature and when they do the cell bursts and all the colonies flow out and become volvox. To live in an environment the volvox makes its own food by photosynthesis.
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Volvox 3

Where I got the videos and pictures

AMOEBA

EUGLENA

Paramecium

VOLVOX