Others chew on bark and twigs. Some insects and burrowing animals will feed on the roots. Even the flower provides food for many species of insects and birds. Most of this feeding is damaging to a tree, but in some cases it is highly beneficial. Animals aid in the dispersal of species by feeding on the fruits and depositing the seeds in other locations.
Many animals also find shelter in trees.
Birds and squirrels build nests in the crown or the trunk. Even fish will use the roots of tree roots that are submerged in water. Human Uses of trees also include food and shelter. Fruits and nuts are very commonly consumed worldwide. In many places, the bark, wood, leaves, and roots are also consumed by humans.