How stomata work A stoma is a single hole or pore, through which gases can enter or leave a plant leaf.
(A stoma; is; a single hole or pore, through which gases can enter or leave a plant leaf) (gases; can enter; ) (gases; leave; a plant leaf)
A stoma gases gases
is can enter leave
a single hole or pore, through which gases can enter or leave a plant leaf
a plant leaf