Building property and destorying species' enviroment
Explanation:
Humans always are buying land and sometimes different species live on the land, humans are killing their enviroment. ANd without different species then the ecosystem will lose it's balance.
The division of the peripheral nervous system is responsible for physiological symptoms such as increased heart rate and butterflies in the stomach is sympathetic!
Do you have a link or something to the answer choices? Kinetochore microtubules connect at the centromere and pull the chromatids apart, whilst nonkinetochore microtubules help elongate the cell.