Answer:
The length of DNA found in a cells nucleus is 3km. It is the equivalent distance of the Lincoln Memorial to the capital in Washington, DC.
The anwser to this question is convergent!
There was a chemistry lab and they took water samples to be tested.
I think the answer is obtain nutrients. Since vascular plants reproduce have roots to get nutrients in even dry areas. Non vascular plants are low growing and do not have roots for absorbing water so they must live in I guess tropical places in order to survive getting/obtaining nutrients.