The concept of the struggle for existence<span> concerns the competition or battle for resources needed to live. It can refer to human society, or to organisms in nature. The concept is ancient, and the term </span>struggle for existence<span> was in use by the end of the 18th century. From the 17th century onwards the concept was associated with a population exceeding resources.
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Answer:
<h3>MEE TOO I DONT UNDERSTAND THIS QUESTION!☡</h3>
Answer: A missense mutation changes the identity of a codon from one amino acid to another, resulting in a change to the protein primary structure. A silent mutation occurs when a mutation does not change the amino acid coded for by that codon.
Explanation:
Answer:
i
Explanation:
long chains of repeating subunits, called nucleotides
A nucleotide is the basic building block of nucleic acids