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likoan [24]
4 years ago
5

How would the contractile vacuole of a freshwater amoeba respond if the organisms was placed in seawater

Biology
2 answers:
earnstyle [38]4 years ago
8 0
Well, It would be placed in a hyper tonic solution and will shrink. Hope this helped!
dangina [55]4 years ago
4 0

Answer: The contractile vacuole will shrink, expelling more water, thereby causing the cell to shrivel.

Explanation:

The main function of the contractile vacuole is to regulate the amount of water in the cell and to expel waste products. When a freshwater amoeba is placed in seawater which is hypertonic, the contractile vacuole will release more water in response to the concentration gradient thereby making the cell to shrivel up.

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How does a diversity of organisms increase the chances that some will survive a major change in environment ?
Slav-nsk [51]
<h2>Answer:</h2>

This can be explained with an example.

Let’s lake an example of two species 1 and 2.

Species 1 has a wide genetic diversity due to which organism are also diverse in phenotype. Their phenotype are:  

Black, dark brown, brown, dark red, red, light red, pink, skin color.

From left to right organism are becoming less adapted to high temperature relatively.

For species 2:  This species has less genetic diversity and its phenotypic diversity is as follow:

Black, red, Skin color.

From left to right organism are becoming less adapted to high temperature relatively.

Now if there is the sudden high temperature in the environment; 4 Types of phenotype will survive are black, dark brown, brown, dark red.

While there will only two types of organism in specie 2 which will survive are black, red.

So that’s how the diversity of organisms increase the chances that some will survive a major change in environment.


7 0
3 years ago
Describe what happened to the model cell that was submerged in a low glucose solution for 20 minutes. explain why this occurs.
Olegator [25]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

<span>The model cell swells because it is in a hypotonic solution. The water enters the cell to move the glucose cells out into a solution to create equilibrium.</span>
3 0
4 years ago
What product do all three reactions in Model 2 have in common?
belka [17]

Answer;

-They all provide water

Explanation;

In reaction A, the reactants are glucose and fructose , and the products are Sucrose and water. This is a condensation reaction, following the combination of two monosaccharides (glucose and fructose) forming a dissaccharide (sucrose) and water.

In reaction B, the reactants are two amino acids, that results to formation of a dipeptide and water; this is also a condensation reaction joining two amino acids monomers, to form a dipeptide and water.

-In reaction C, a monoglyceride combines with a fatty acid to form a diglyceride and water. This is also an example of a condensation reaction that results to formation of a diglyceride and water.

Therefore, the similarity of all the reactions is that they are all condensation reactions, with water as a common product.


6 0
3 years ago
Which of these statements describes one way that a nonrenewable energy resource is obtained?
Vladimir [108]
The correct answer is D
4 0
3 years ago
Read 2 more answers
Is Protein shake go with vacuole ,Golgi apparatus or ribosome
charle [14.2K]

Answer:

ribosomes

Explanation:

ribosomes create proteins in the cell and could be considered a protien shake

6 0
4 years ago
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