The prairie flowers then can fit into the spaces between the grass clumps. So they grow together. Many weeds cannot compete with a full-grown prairie for this reason. However, when prairies are damaged, weeds and non-native species can take over. Relate Activity and Concept 11.
All prairie plants have deep roots.
This means there is at least twice as much underground as there is above ground. Find a compass plant on one of your posters, or pass around a laminated picture of one. Compass plants can be 3-8 feet tall. Our compass plant will be 4 feet tall. Have the students record this height in their journals.