While on a hike, you notice that several burrs have become attached to your socks. You quickly pull them off. Burrs are produced by certain plants and frequently catch on animal fur (or people's clothing). After thinking about it, you decide that the burr is a type of that is an adaptation for .

The correct answer is "fruit; seed dispersal".

Explanation:

Fruits are plant adaptions that allow them to disperse their seeds by offering food to animals. In this case the plants have adapted to attach their seeds to the fur of animals instead of offering food. Therefore, the burrs are a type of fruit that is not eaten by animals, but the plants achieve its goal that is seed dispersal.