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Vera_Pavlovna [14]
2 years ago
13

Question 13 of 25

Biology
2 answers:
fiasKO [112]2 years ago
7 0

Answer:

algae bloom

Explanation:

just did on a=pex

dexar [7]2 years ago
4 0

Answer:

C. The pond experienced an algae bloom.

Explanation:

From the graph we see that the fish population continue to decrease with time. As time passed on, the fish population keeps suffering a decline. In retrospect, the population of the algae continued to increase.

  • We can ascribe this to the pond experiencing an algae bloom.
  • It could be due to condition called eutrophication.
  • When nutrients become very much in water and more algae is produced.
  • This leads to dissolve oxygen amount reducing in the water body.
  • Therefore, fishes will die off.
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The correct answer is A. Apical meristem

Explanation:

In plants, the primary growth refers to the type of growth that increases the length of the stem or toots in opposition to the secondary growth in which the stem thickens and that occurs as the result of the vascular cambium. However, in the case of primary growth, this can be explained mainly due to the action of apical meristem that is a type of tissue located in the tips of roots and the stem and therefore the type of tissue in which the growth takes place mainly through cell division. Considering this, it can be concluded primary growth is due to the action of the apical meristem.

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Freshwater fish are _____ with respect to osmoregulation.
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A mutagen is
Novay_Z [31]

Answer: The correct answer is-

an agent that causes a mutation in DNA.

Mutagen is an agent or a substance that causes permanent change in the genetic material of living organisms ( DNA, deoxyribonucleic acid). This process is called mutation.

A mutagen can be a chemical, physical or biological agent that causes mutation in the DNA.

Example- Physical agents such as -

  • Ionizing radiations like alpha particles, gamma rays,  X-rays that brings break in the DNA and cause other damages.
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Answer:

Cell C

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Which substance has a high albedo?
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Answer:

Which substance has a high albedo? B) White Sand

Explanation:

The albedo is the amount of energy that is reflected by a surface. It is determined by the refletivity of that surface. Albedo can range from 0 (no reflection) to a value of 1 (100% reflection). Generally, dark surfaces have a low albedo and light surfaces have a high albedo. Liquid water is considered to have a low albedo, like dark rock and rich soil.

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