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3 years ago

Why does water enter the paramecium please answer asap !!!!

Biology

2 answers:

mel-nik [20]3 years ago

7 0

Answer:

. Their cytoplasm contains a greater concentration of solutes than their surroundings and so they absorb water by osmosis

Explanation:

Paramecium and amoeba live in fresh water.The excess water is collected into a contractile vacuole which swells and finally expels water through an opening in the cell membrane.

MAVERICK [17]3 years ago

4 0

Answer:

As paramecium lives in fresh water, it has the problem of water being transported into it because of osmosis.

Explanation:

osmosis is the movement of any solvent through a selectively permeable membrane into an area of higher solute concentration, the result of which will be an equalizing of solute concentration on either side of the membrane.

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Bill has a perfect cube of an unknown substance. The density of the substance is 3.0 g/cm. He

Gwar [14]

The volume of the cube of unknown substance is $27\ cm^3$ . The length of one side of the cube is 9 cm

Explanation:

As per the formula of mass and density, Mass / Density equals to volume. Therefore as the mass of the cube was given to be 81 g and the density of the cube is known to be 3.0 g/ $\mathrm{cm}^{3}$ ,, to help Bill find out the volume. It is the ratio of mass and density and can be calculated as

$\text {volume}=\frac{\text {mass}}{\text {density}}=\frac{81 g}{3 g / \mathrm{cm}^{3}}=27 \mathrm{cm}^{3}$

As it is a cube, the volume is product of length, breadth, and height. Here, all sides are same as it is the cube.

$volume= length \times breadth \times height$

$27=3 l$

$length of cube's one side, l=\frac{27}{3}=9 \mathrm{cm}$

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3 years ago

What is the formula to find: 1) Density: 2) Volume: 3) Mass:

nexus9112 [7]

Density= mass/volume
volume=mass/density
mass= volume•density

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What kind of ecosystem is the thorn scrub

jeka57 [31]

Answer:d

Explanation:

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Arlecino [84]

Answer:

cytoplasm

Explanation:

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1. Efficient use of space

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