Answer:
but no the answer is spine which can also be called vertebral column so is B
birds!!!!!!!!!!!!!!!!!!!!!
The correct answer from the choices listed above is option A. Adaptations took advantage of the presence of free oxygen in the oceans and atmosphere by the <span>evolution of cellular respiration, which used oxygen to help harvest energy from organic molecules.</span>
Answer:
I'm pretty sure its 50% and 50% :)
Explanation:
The term matabolism is based on Greek word that means "change". ... Because metabolism is the action of how fast an organism changes nutrients into useful chemicals and elements for the organism to grow.
-Mabel <3