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sergij07 [2.7K]
3 years ago
11

Which of the following statements about plankton or nekton is NOT correct?

Biology
1 answer:
Oduvanchick [21]3 years ago
6 0

Answer:

C. All plankton are closely related to plants.

Explanation:

Plankton are organisms found in water that exist in a drifting state. They are too small or weak to swim on their own, so they let the current or tide carry them. They are usually microscopic but include larger species as well, such as some crustaceans and jellyfish.

Phytoplankton are autothrophic plankton. This means that they produce their own food. They are primary producers and closely related to plants.

Zooplankton are heterotrophic plankton, which means that they feed on other organisms. They are animals and aren't closely related to plants.

Nekton are organisms found in water that swim actively.

Based on this information, we can conclude that statement C is the only incorrect statement.

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Which of the following does the enzyme carbonic anhydrase most likely do to a metabolic reaction?
kumpel [21]

Answer:

The main role of carbonic anhydrase in humans is to catalyze the conversion of carbon dioxide to carbonic acid and back again. However, it can also help with CO2 transport in the blood which in turn helps respiration. It can even function in the formation of hydrochloric acid by the stomach.

Explanation:

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What is a derived trait?
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Answer:

A.

Explanation:

Because the trait undergoes a secondary loss; it has been there but it doesn't always appear in all generations.

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5. The reproductive process of the specialized cells used for human reproduction is called?
Stella [2.4K]
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The government wants to set new regulations that prohibit chlorofluorocarbons (CFCs) use in aerosol sprays and refrigerants. How
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8 0
3 years ago
In an investigation, plant cells are placed in water that has been tinted blue. The investigators observe the color of the cells
larisa [96]

Answer:

C

Explanation:

When plant cells take in water, the vacuole swells. A swollen vacuole indicates the plant cell has all the water it needs. This suggests that the plant is taking in water and is maintaining optimum conditions. This is an example of homeostasis.

If the cells burst apart, as in A and E, this would suggest the cell is not properly maintaining homeostasis, as the cell bursting suggests something has gone badly wrong. This suggests the cell has taken in too much water; the cell has not been able to maintain homeostasis and regulate water uptake to prevent this from happening.

In the reverse case, where the cells shrink apart (as in B), the cell would also not be properly maintaining homeostasis by failing to bring enough water into the cell to maintain a turgid state. This is also damaging for the cells.

Finally, D and E can also not be correct, because water can cross the cell membrane, and does not need to be pumped in or sent out by endocytosis.

8 0
3 years ago
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