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Nataly_w [17]
3 years ago
9

Because of the Doppler effect, sounds coming from a moving source

Biology
1 answer:
Zina [86]3 years ago
3 0
<span>C have a lower frequency if the source is moving toward the observer.
Have a nice dAY!</span>
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If the air contains high levels of pollutants what effect might this have water quality
marshall27 [118]

water picks up pollutants when condensating then falls back to earth

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3 years ago
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Mars2501 [29]
They did it to get more detailed pictures of space
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How does the pancreas connect to the rest of the digestive system?
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The pancreas is connected directly into the small intestines and gallbladder. Enzymes that are produced by the pancreas are secreted directly into the small <span>intestine.</span>
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3 years ago
In the hypothesis that C. stellatus (a species of barnacle) is competitively excluded from the lower intertidal zone by B. balan
lord [1]
<h2>Competitive exclusion principle.</h2>

Explanation:

The fundamental and realized niches of B. balanoides are identical, but the fundamental and realized niches of C. stellatus are different.

All the possible combination of resources and condition under which a species can grow, survive and reproduce is called its fundamental niche. Whereas, the more limited set of resources and condition under which a species can grow, survive and reproduce in the presence of competitors and predators is termed as its realized niche.

Competitive exclusion principle states that if two competing species coexist in a stable, homogeneous environment, then they do so as a result of differentiation in their realized niche.

<em>B. balanoides</em> can use a wider range of resources than<em> C. stellatus </em>because its fundamental and realized niches are identical . Hence thrives to exclude C.stellatus.

4 0
3 years ago
Which mutation is an example of an insertion mutation?
Burka [1]

Answer:

d. AAU CCG CAU UGG A​

Explanation:

A mutation is any change or alteration to the sequence of a gene. There are, however, different types of mutation depending on how it occurs in the gene. One of these types is INSERTION MUTATION as mentioned in this question. Insertion mutation is a type of mutation in which one or more nucleotide base is added to the sequence, hence, changing the reading frame of the original sequence.

In this question, the original mRNA sequence is given as: AAU CCG CAU GGA.

An insertion mutation will cause nucleotide base(s) to be added to this sequence, which will be noticed by an increase in number of bases in the sequence.

The correct answer is: AAU CCG CAU UGG A​. In this mutated sequence, nucleotide "U" has been added to the sequence.

8 0
3 years ago
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