Survival??
That’s a complete guess
Answer:
They lose their end walls so the xylem forms a continuous, hollow tube. They become strengthened by a substance called lignin . Lignin gives strength and support to the plant.
Answer:
Because the earth's axis is tilted. It is all about the tilt of the Earth axis.
Explanation:
She was unconscious before the incident so something must have happened before it, also the bruise could result in brain damage.
I believe it's stem cells.