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Ahat [919]
2 years ago
9

Do you think the vacuum hose is an effective way to remove sea urchins? Why? Explain at least one way this technology can be imp

roved.
Biology
1 answer:
mamaluj [8]2 years ago
4 0

Answer:

No, or at least not yet. there small and dont do much improvment. If they were much bigger and sucked better, including some touch-ups here and there, they would have a bigger effect on removing sea urchins.

Explanation:

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Viefleur [7K]

Answer:

artificial selection/selective breeding

Explanation:

The illustration is an example of <u>artificial selection.</u>

<em>By definition, </em><em>artificial selection</em><em> is the deliberate perpetuation of some traits in living organisms simply because the traits are desirable. The organisms are selected because of the traits and allowed to breed either naturally or otherwise in order to ensure that these traits appear or are even consolidated in the offspring of the breeding. </em>

The offspring from selective breeding are expected to combine the desirable traits of the two parents and thus, appear better than each of the parents.

4 0
2 years ago
Read 2 more answers
The existence of introns in mRNA-encoding genes seems to be a problem because so much cellular energy goes into splicing them ou
Svetllana [295]

Answer:

In normal conditions, introns serve following functions in the body of an organism:

1) They contain genes of miRNA which are known as Mirtrons, reverse transcriptase, endonucleases, transposase etc.

2) It is because of presence of introns that alternative splicing of mRNA is possible. The sex determination in drosophila is based on alternative splicing.

Apart from this, alternative splicing can be useful and beneficial in an unforeseen situation such as an environmental problem which is faced by the organism for the first time.

Explanation:

Alternative splicing is an important mechanism because with the help of alternative splicing different type of proteins can be synthesized from the same pre mRNA transcript. In case suddenly the surrounding environment of an organism is changed and the environmental conditions have become extremely harsh due to which organism's life is at stake, in such situation organism may make a different type of protein through alternative splicing which can help the organism in survival.  

Default splicing in Drosophila leads to the development of male off-spring while female off-spring is produced as a result of alternative splicing.  

8 0
3 years ago
Which protein hormone is produced by the pancreas to promote the increase in the sugar content of the blood by breaking down gly
Annette [7]
Glucagon is <span>protein hormone that is produced by the pancreas to promote the increase in the sugar content of the blood by breaking down glycogen in the liver.</span>
4 0
3 years ago
The basic building blocks of DNA and RNA are,
Vinvika [58]
The answer is nucleus acids
6 0
2 years ago
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How does electricity impact the society for better or for worse?
sweet-ann [11.9K]

Answer:

Electricity impacts the society for both better and worse. Since humans use so much we are helping climate change, and helping cause droughts. But it is helpful because we can have light, save food for longer, cook, have fun, and stay warm or cold during the year

Explanation:

5 0
3 years ago
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