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Tanzania [10]
4 years ago
15

Why are shellfish population often a good indicator of water quality

Biology
1 answer:
Pachacha [2.7K]4 years ago
8 0
"Water quality" may include the amounts of dissolved oxygen and the levels of algal growth, pollutants which may be present and the pH level. Water quality effects also which types of organisms can survive in a body of water.
 Shellfish require a high level of dissolved oxygen and their abundance is an indication of good water quality. Shellfish are sensitive to changes in the ecosystem and they cannot easily escape changes in the water quality. These are one of the reasons why shellfish are good indicators of water quality.
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22. To test whether a plant grows better in acidic or basic soil, the
KiRa [710]

Answer:

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Explanation:

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8 0
3 years ago
If an ecosystem has only enough food for 100 people and 20 horses, when the population increases to 200 people, 30 horses, and t
Tamiku [17]
The answer is D. Food Threshold is the amount of food capable on feeding the organisms.
4 0
4 years ago
Which cellular process is described by the chemical equation below?
lbvjy [14]
That would be cellular respiration.
6 0
3 years ago
Read 2 more answers
A volcanic eruption releasing rock, ash, and dust particles into the air is an example of which interaction?
geniusboy [140]

It is an example of interaction between the lithosphere and atmosphere.

Explanation:

Earth has several spheres, all of them constantly interact with each other. This means that they create one interconnected system, and that they all influence each other and are dependent on each other. The spheres that can be found on Earth are:

  • Lithosphere
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  • Atmosphere
  • Biosphere
  • Cryosphere

In this case, we have interaction between the lithosphere and the atmosphere. The volcanoes form in the lithosphere and they are part of the lithosphere. When they have eruptions, the material interacts with several spheres, and specifically when it ends up in the air, it interacts with the atmosphere, as the air is what makes the atmosphere. The rocks, ash, and dust from the volcanic eruption are able to change the properties of parts of the atmosphere, and that can be locally, regionally, or even globally, with time frames varying from few days to hundreds of years.

Learn more about the lithosphere brainly.com/question/12668681

#learnwithBrainly

8 0
3 years ago
Describe the fate of cells with or without cell walls in various "tonic" solutions (hypertonic, hypotonic, etc.).
hichkok12 [17]

Answer:

In hypertonic solutions, the cells will shrink and in hypotonic solutions the cells will fill up

Cells with cell walls will be able to control their tonicity better than cells without cell walls.

Explanation:

Cells with cell walls

  • In a hypertonic solution (high solute concentration), water will flow out of the cell into the solution until equilibrium is reached. If the solution has a high concentration of solute the cell may undergo<u> plasmolysis where the plasma membrane detaches from the cell wall.</u>
  • In a hypotonic solution: Water will flow into the cell because it has a higher solute concentration compared to the solution. This will continue until the cell is <u>turgid</u>. If more water continues to enter the cell, the cell is at risk of bursting, this takes a while because the cell wall will withstand the pressure.

Cells without cell walls

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  • In hypotonic solution: Water will diffuse into cell,the cell will become turgid and if water keeps moving in the cell will burst because it has no cell wall to resist the pressure.
4 0
3 years ago
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