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kow [346]
3 years ago
15

A population of shrimp suddenly starts collapsing. a biologist believes that toxins in the food chain are interfering with larva

e development. a climate scientist believes that a change in water temperature is depleting food sources from the water. why are both of these options valid scientific hypotheses?
Biology
2 answers:
alexgriva [62]3 years ago
8 0
Because they make sense and they can be proved
zzz [600]3 years ago
8 0
Each explain a logical explanation as to why a population decrease would occur. Toxins would kill off prey or even predator, making populations drop. A change in temperature also explains a population drop as the current known species of the area wouldn't be able to cope with the sudden change. Hope this helped.
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Which hormone is the necessary trigger for ovulation to occur?
timama [110]

Answer:Luteinizing Hormone

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6 0
3 years ago
Question 28
Airida [17]
The type of cell division being shown is meiosis. Meiosis creates four haploid cells. The genetic material is exchanged between the cells during meiosis, meaning that the four daughter cells of each have a different variant of the genetic information.
4 0
3 years ago
4. The TATA box helps<br> bind in the correct place.
AlexFokin [52]

Answer:

The TATA box helps  bind the <em>RNA polymerase</em> in the correct place.

Explanation:

The TATA box can be found before a gene. It is type of promoter sequence which allows for the process of transcription to begin.

The transcription factor proteins recognize the TATA sequence and bind to it. The RNA polymerase is positioned by the transcription factor proteins. The transcription factors form a binding site for the RNA polymerase which binds to the specific site and starts with the transcription process.

3 0
3 years ago
Ability to roll the tongue is caused by a dominant allele. A woman is a "roller," but one of her parents is not. Reference: Ref
matrenka [14]

Answer:

1/2.

Explanation:

The autosomal dominant trait may en defined as the trait that can express itself even in the heterozygous condition and in the homozygous dominant condition as well.

Let the B allele is responisble for the roll tongue and b is recessive allele. The woman can roll the tongue and she must have the genotype Bb because her one parents is normal. The woman married with a man with non roller ( bb). The Bb × bb cross results in the following progeny Dd, Dd ( roller), dd and dd ( non roller). The probability of the child being a roller is 1/2,

Thus, the answer is 1/2.

5 0
3 years ago
A special protein in your blood captures and carries oxygen. This protein is called what
Kamila [148]
Hemoglobin is a special protein in the blood that captures and carries oxygen.
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