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Explanation:
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The answer is <u><em>b. 6</em></u>
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Different amino acids means difference DNA sequences, which means they are distantly related.
Further understanding: if you look at identical twins, they are closely related to each other because they have almost the same DNA, which will code for the same amino acids, which will lead to the same phenotype or appearance.
To summarize, the greater the amino acid differences the less related they are and vice versa
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The anterior side of the heart is the side the uppermost point or peak is pointing to. The posterior surface lies opposite to the uppermost point.
<h3>What is heart?</h3>
The heart is a fist-sized organ that is located around the chest region or breast bone that pumps blood to the body. It's the primary organ of the circulatory system. The heart have four main chambers made of muscle and powered by electrical impulses. The brain and nervous system influence heart's function.
Therefore, The anterior side of the heart is the side the uppermost point or peak is pointing to. The posterior surface lies opposite to the uppermost point.
Learn more about heart here.
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Answer:
last one is true statement
a population can become more adapted to its environment through natural selection. natural selection is a process by which organisms that are well adapted to their environment survives and produce more offspring. The least adapted organism die and are unable to give rise to new generation with characteristics that are not well adapted to the environment. the process is also referred to as survival for the fittest. this is the main process that brings about evolution. the theory of natural selection was fully expounded by scientist Charles Darwin.