In some forests and parks containing varieties of flowering trees and shrubs, there are signs that read, "Take nothing but pictures; leave nothing but footprints." These signs help people to remember that%0D%0A%0D%0A a%0D%0Aflowering shrubs grow better in state forests and parks than in other locations.%0D%0A b%0D%0Athe removal of flowering trees and shrubs will increase biodiversity.%0D%0A c%0D%0Aall animals feed directly on flowering shrubs that may be removed by people.%0D%0A d%0D%0Ahumans can disrupt habitats by removing flowering trees and shrubs.
