Question

A plant hormone called abscisic acid helps plants become dormant during cooler
months and control water loss. Which plant structure also helps with the prevention of
water loss, and aids in gas exchange? (1 point)
xylem
seed
coma
chloroplast

Answer 1

coma (they likely mean "stoma" or stomata) — the stomata (with guard cells) regulate gas exchange and close to reduce water loss.