So a change in an organism's DNA can cause changes in all aspects of its life.Mutations<span> are essential to </span>evolution<span>; they are the raw material of genetic variation. Without </span>mutation<span>, </span>evolution<span> could not occur.</span>
1. Brackish water is most commonly found in rivers. (It is where the Fresh water meets the sea water)
2. The answer would have to be true
3. Air temperature does not affect tides.
<span>Stars in a constellation only appear to be grouped together when viewed from Earth, Planets really are grouped together.</span>
