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If the solution inside the amoeba is more concentrated than the outside, the water will diffuse into the cell through osmosis and eventually cause it to burst when there is way too much. The contractile vacuole prevents it from bursting by pumping water back out.

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13y ago
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15y ago

because of osmosis. without the contractile cells removing water, the protist would fill up with water because there is more water outside them than in them and they would explode

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13y ago

to prevent them from exploding or to maintain osmoregulation

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11y ago

They live in fresh water, which enters their cells by osmosis. Without the contractile vacuole, the water would cause the cells to burst.

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Q: Why do protists need contractile vacuoles?
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Related questions

What do contractile vacuoles protists do?

Contractile vacuoles in protists collect water and then expel it when they become full.


What do vacuoles in protists do?

Contractile vacuoles in protists collect water and then expel it when they become full.


Where does a protist with contractile vacuoles live?

Contractile vacuoles in protists collect water and then expel it when they become full.


Which of these function to remove excess water in many unicellular freshwater protists?

The contractile vacuole helps it to get rid off the excess water from the cell.


Which protists are contractile vacuoles easy to see?

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


Where contractile vacuoles are located in amoeba?

contractile vacuoles merge with the cell membrane..


Organelles that collect excess water inside the cell and force water out are called?

The organelles that collect excess water inside the cell and force it out are called contractile vacuoles. It is primarily involved in osmoregulation and is usually found in protists and unicellular algae.


Are contractile vacuoles found in animal or plant cells?

Contractile vacuoles are found in plant cells.


Does amoeba have contractile vacuole?

No they do not have contractile vacuoles.


What can Contractile proteins are found in?

Contractile proteins are found in what?


What vacuoles rid cells of extra water?

Contractile Vacuoles


How are contractile vacuoles different then types of vacuoles?

Contractile vacuoles are formed when a food particle is engulfed. Their size depends on the size of food particle. They are not predefined. Other vacoules are predefined and exist whether the food particles are present in them or not.