Answer:
Researchers found that chronic exposure to a stress hormone causes modifications to DNA in the brains of mice, prompting changes in gene expression. The new finding provides clues into how chronic stress might affect human behavior.
Speciation<span> is the </span>evolutionary<span> process by which biological populations evolve to become distinct </span>species<span>. The biologist </span>Orator F. Cook<span> coined the term 'speciation' in 1906 for the splitting of lineages or "</span>cladogenesis," as opposed to "anagenesis<span>" or "phyletic evolution" within lineages.</span>
Chemical energy, hope this helps. Correct me if im wrong but im sure its chemical energy
A frameshift mutation<span> (also called a framing error or a reading </span>frame shift<span>) is a genetic </span>mutation caused<span>by indels (insertions or deletions) of a number of nucleotides in a DNA sequence that is not divisible by three.</span>
The Earth's aveerage temperature will increase.
