1) The function of a protein is determined by its shape. The shape of a protein is determined by its primary structure. The sequence of amino acids in a protein is determined by the sequence of nucleotides in the gene DNA encoding it.
That they can no longer breed together to reproduce fertile offspring.
Answer:The polar climate regions are characterized by a lack of warm summers. Every month in a polar climate has an average temperature of less than 10 °C (50 °F). Regions with polar climate cover more than 20% of the Earth's area.
Explanation:
https://en.wikipedia.org/wiki/Polar_climate
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Instinct, that would be what is inherited.