TREES Trees are tall and strong plants. They have one hard and thick stem called trunk. The branches grow very tall. BUSHES Bushes are smaller than trees. They have lots of short, thin and hard stems. The branches grow low. GRASSES Grasses are small plants. They have flexible, thin, soft stems. 1- Drag and drop: TREES BUSHES GRASSES They have lots of thin and soft stems. They are tall. They have one hard and thick trunk. The branches grow very tall. They have lots of thin and hard stems. The branches grow low. 2-What is this? Choose tree, bush or grass.