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OLEGan [10]
2 years ago
11

14. Rats are constantly gnawing on different substances in order to keep

Biology
1 answer:
SpyIntel [72]2 years ago
4 0

Answer:

B. False

Explanation:

Rats (and all other rodents) need to gnaw because their teeth never stop growing. They need to be worn down, otherwise they will grow so that they A. grow into the brain, or B. Prevent the animal from eating = starvation

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Explanation:

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A group of students are walking in the park and one of them takes a picture of a pollen grain that is been blown by the wind wha
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The human genome comprises about 3 x 109 base pairs of DNA, and no two humans, other than identical twins, ever have been or wil
arsen [322]

Answer:

The correct answer is C.

Explanation:

The amount of genetic variation in two humans is 0.1 percent of their genome. Human genetic variation refers to the biological difference that exists in the human population.

The genetic variation in humans and apes genome is about 4 percent which is 35 million differences in a single nucleotide.

The genetic variation between apes and humans (Homo sapiens), according to scientists includes gene expression differences, variation in the transportable elements and type and number of repetitive genomic DNA transportable elements, the difference in the gene sequence, single nucleotide polymorphic, etc.

According to research, 97 percent of humans and orangutans genomes are identical. Based on evolution, among all apes, the orangutans are very special as it has been stable for the past 15 million years.

Therefore, is the genetic variation between humans and orangutans is the greatest.

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3 years ago
Which valve is located between the right atrium and ventricle?
den301095 [7]

tricuspid valve is located between the right atrium and ventricle

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Oxygyn will get stuch if the muscles are thich

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