Stem cells are what allow planaria to grow and regenerate as the stem cells can change into any of the cells that make up the planaria.
Answer:
During the final scene, lightning strikes the Pride Land igniting a fire that burns out the existing dead brush and trees. This fire is symbolic of the end of an era of an unstable ecosystem. As time passes, pride rock is transformed back into a healthy climax community.
Answer:
He was 51 one years old before he died.
Explanation:
However, Napoleon II lived to only a mere 21 years.
The process which occurs in the structures that are labeled X is Kreb's cycle.
It has to do with releasing stored energy in the form of adenosine triphosphate (ATP). This is an extremely important part of metabolism and was first introduced by Hans Adolf Krebs in 1937.
