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The Stentor had a large round head that contracted allowing it to move easily.

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Contractile vacuoles are commonly found in freshwater protists, such as amoebas and paramecia. These organisms live in hypotonic environments and use contractile vacuoles to regulate their water balance by expelling excess water to prevent bursting.

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Q: Which protists are contractile vacuoles easy to see?
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What color is parmecium?

Paramecium are typically colorless and translucent, allowing you to see its organelles such as the macronucleus and contractile vacuoles.


What are the parts of the amoeba and what does each of the parts do?

They have Cell membranes, contractile vacuoles, cytoplasm, nucleus, Food vacuoles, and pseudopods. They also have ribosomes, mitochondria, vesicles, endoplasmic reticulum, Golgi apparatus, cytoskeleton, lysosomes, and centrioles, but you can't really see them. The cell is like the border, because it doesn't have cell walls. The contractile vacuoles collects water and throw it out of the cell. The cytoplasm is the body. The food vacuoles happen when the pseudopods fuse around food. The food is broken down in the food vacuole. The psuedopods are used to move and feed. They are created when the cytoplasm moves around and the rest follows.


Why might you not be able to see the contractile vacuole?

Vacuoles and mitochondria are smaller than the resolution of an optical microscope (though with the right sort of dye some mitochondia can be seen as a small spot). They can be seen with an eletronic microscope.


What instruments are used to see vacuoles?

microscopes


Are most protists too small to see with the unaided eye?

yesyes


How high does the magnification on a microscope need to be to see protists?

A magnification of at least 400x is typically needed to see protists clearly under a microscope. This level of magnification allows you to observe the details of their structure and movement.


Why can't you see protists with a microscope?

Protists are often small and transparent, making them difficult to see without staining techniques in a microscope to enhance contrast. Additionally, some protists may require specialized equipment such as a phase contrast or differential interference contrast microscope to visualize their structures effectively.


Are vacuoles located in plants or animals or both?

vacuoles are located in both plant and animal cells. True, but in animal cells you can't see as many because there are few and the few that there are, are small. In plants, there is a big vacuole, unlike in animal cells.


Can you see protista without a microscope?

Most protists are microscopic and cannot be seen without a microscope due to their small size. However, some protists, such as giant kelp, are macroscopic and can be seen without the aid of a microscope.


A sample that could contain protists?

Such sample could be obtained from ponds or lakes. If you want, you can also go to the ocean to examine the algae underwater. Seaweeds are the most widely known protist and large enough to see. To see microscopic protists, you should go to a local pond or stream.


Can protist be autotrophic heterothrophic or both?

Protists can be either autotrophic (algae) or heterotrophic (amoeba). See the link below:


Who was the first person to describe and see bacteria protists and discover that the blood of different species was different?

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