Find the odd number / letters / word from the given alternative.+

The odd one out is B, tree. The other options are all parts of a tree.

A trunk is the main stem of a tree. It supports the branches and leaves, and transports water and nutrients from the roots to the rest of the tree.

Leaves are the green, flat parts of a tree that absorb sunlight and use it to make food.

Fruits are the sweet, fleshy parts of a tree that contain seeds.

Flowers are the reproductive organs of a tree. They produce pollen and nectar, which attract insects that help to pollinate the tree.