I will give brain to correct answer! When guard cells are full, they bulge. This increases the
size of the gap between them and opens the hole in the
leaf.
Which object is the best model of a guard cell?

A.) Straw

B.) Garden hose

C.) Water Balloon

D.) Strainer

​

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.