In humans and other organisms, Which substance plays a central role as an energy sourse? A. water
B. carbs
C. fat
D. protien

What role do traits play in affecting an organisms ability to reproduce? finches

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material