186k views
1 vote
Help URGENT U HAVE EXAMMMMM

Help URGENT U HAVE EXAMMMMM-example-1
User LionC
by
7.7k points

1 Answer

5 votes
A is a guard cell. B is a stoma.
Stoma helps to control the rate of diffusion of gases in and out of the leaf.
User CWLiu
by
7.3k points