What does the structure of amino acids consist of

Aboy with an extra x chromosome probably has which of the following syndromes?

Wich organism obtains its energy from dead or decaying matter

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.