Acidophilus can be either unicellular or multicellular, but they are commonly green algae-like formed and usually unicellular.
Explanation:
If water did not expand when freezing, then it would be denser than liquid water when it froze; therefore it would sink and fill lakes or the ocean from bottom to top. Once the oceans filled with ice, life there would not be possible.
Answer:
The development by scientists of a new color in a rose is the result of genetic modification
Explanation:
The development of new colors in the species of roses is given by the genetic modification by means of the introduction of genes of other species that express other colors absent naturally in the roses. The genes that are inserted are those that encode pigmentation for a certain color.