Answer:
axial skeleton and appendicular skeleton
They transfer energy parallel to the wave
I believe the answer is: <span>Variety
The smaller groups that exist in a </span><span>Variety usually happen because they possess a certain feature that distinguishes them from another group of the species.
This happen due to the adaptation process in response to things such as different climate or different geographical location.</span>
well it is not exactly essentioal but salmon need it
