The rose is also an example of a modified stem of a plant because it's stem has formed thorns for protection.

This is a picture of bark as an example of phloem, but the true phloem of a tree is the innermost part of the bark.

Mice are sexually reproductive, and this is an example of mating behavior. They multiply quickly!

The thorns on this stem are an example of adaptation of a plant because the thorns have grown for protection.

The ginger root is a rhizome because it is the horizontal stem of the plant which sends out roots from it's nodes.