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stich3 [128]
3 years ago
15

How does the introduction of invasive species, such as the brown tree snake, upset the stability of an ecosystem?

Biology
1 answer:
notka56 [123]3 years ago
6 0

Answer:

The species is not prey to what is already living there and as a result may reproduce uncontrollably and end up causing the other species to go extinct by stealing the resources they need.

Explanation:

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Blue Genotype BB Yellow Genotype YY What would be the Genotype for Blue and Yellow? A. BY, or YB B. GG C. Not Possible D. BuYe
Fittoniya [83]

Answer:

A. BY, or YB

Explanation:

This question is depicting a phenomenon in inheritance called CODOMINANCE, which is a type of non-mendelian inheritance in which two alleles of a gene both express themselves in that gene. In this question, the allele for blue color (B) is codominant with the allele for yellow color (Y).

This means that an individual that has a blue phenotype will possess the genotype BB while an individual that has a yellow phenotype will possess the genotype YY. Hence, in an heterozygous state in which both alleles combine to produce a simultaneous blue and yellow phenotype, the genotype will be BY or YB.

7 0
3 years ago
One reason that regulation of gene expression is important is that it saves energy and materials from being used when they are n
lara [203]

Answer:

d. transcriptional regulation (regulation of whether transcription occurs)

Explanation:

If the product of a gene is not needed, then allowing the transcription of such gene to proceed only to be regulated after or even after translation will result in a mere wastage of resources. It thus means that the resources utilized for transcription has been wasted.

<em>Hence, the correct option is d.</em>

5 0
3 years ago
Which of the following could be a sequence in the carbon cycle?
andrew11 [14]

If you want faster replys or even replys at all, you need to give all the info.

7 0
3 years ago
Oxygenated blood flows from the __________ to the __________ before being pumped into the systemic circulation.
jeka94

Answer: from the pulmonary veins into the left atrium.

Explanation:

After oxygenation of blood in the lungs, the right and left pulmonary veins carry oxygenated blood and empties it into the left atrium. The left atrium then empties the blood into the left ventricle through the left atrioventricular valve.

With contraction, the ventricle pumps the blood to the systemic circulation through the aorta. The blood flow into the aorta is guarded by the aortic valve.

7 0
3 years ago
When blood glucose levels are difficult to control in Type II diabetes, some forms of insulin may be added to the treatment regi
Elanso [62]

Answer:

Newer premixed insulins are better at lowering hemoglobin A1c and postprandial glucose levels than are long-acting insulins

5 0
3 years ago
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