Like DNA, RNA contains four nitrogenous bases. Three of them are the same as those found in DNA. The one that is different is called uracil. The five-carbon sugar in RNA is called ribose.
Uracil is a crystalline organic molecule, and a component of the ribonucleic acid (RNA). The RNA molecule is made up of a sequence of nucleotides, which individually contains a five-carbon sugar (ribose), a nitrogenous base, and a phosphate group. Uracil is one of the four nitrogenous bases present in the nucleic acid of RNA. The others are adenine, cytosine, and guanine, and are represented by the letters; A, G, C and U. In DNA (deoxyribonucleic acid), the uracil nucleobase is substituted by thymine.
The correct answers are evolution, genetic mutation and selection.
The early ancestors of horses showed the pressence of digits and now the modern horses have hooves in their limbs. There could be many reasons for the pressence of hooves horses.
These could be due to the genetic mutations, which could have changed the shape of the digits in the limb. Sudden change in DNA can cause mutation and this mutation can change the phenotype of the horse.
There are chances that evolution took place over a period of time that changed the character in the horse.
Natural selection can also be one of the reason for the change in the phenotype of the digits on the limb of the horses.
Answer:
0.625
Explanation:
The slope (m) of a linear regression line is ...

Then we have ...

The value of the correlation coefficient is 0.625.
I think the most challenging part of human remains would be knowing that you're working with parts of a person who used to be alive. The most interesting part would be figuring out the person's past based on their remains like what they ate, their cultural background, etc.
I hope this helped
Answer:
The predation pressure increases mate
Explanation:
Since the observation of the scientist goes in order to increase the coloration in males, because of the predation pressure, and as a consequence the females are attracted by this colored mates.
It will be expected that the increase in pressure, it will increase the colored in skin, and this could end in an increase of the number of mates per male.