The correct answer is: A. A change in a cell's genetic material.
Mutations occur in DNA as a result of mistakes during the DNA replication (when repair mechanisms don’t fix it) or as the result of environmental factors (e.g. UV light). Mutations can have positive impact, by increasing the genetic variation or can have negative effect, causing the diseases or cancer.
Yes, waves can carry energy through
That the pace of everyday life is such that is prevents individuals from perceiving that which the society deemed as unimportant.
Answer:
Ecology is the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
