NEET BIOLOGY

Detailed explanation-1: -Animals can disperse seeds by excreting or burying them; other fruits have structures, such as hooks, that attach themselves to animals’ fur.

Detailed explanation-2: -Most common of the stick-to-fur weed seeds are those burdocks with the hooked spines. Fortunately, most gardeners are able to recognize this weed and pull it up to to keep it out of their gardens.

Detailed explanation-3: –Seeds with hooks attach to the fur of animals or clothes of humans and are dispersed to a sufficient distance. They might then fall off and germinate into a new plant under suitable conditions. So the correct answer is option C) Animals.

Detailed explanation-4: -Many plants produce fruits or individual seeds covered in hooks or spines which attach the seed to the animals’s fur or feathers-or, in the case of humans, to our clothes or bags. The seeds are then carried a sufficient distance from the parent plant to give them space to grow.

Detailed explanation-5: -Xanthium and urena seeds are adapted to be dispersed by the hooks and furs of animals.