Question

How do animal help in dispersal of seed and fruit

Answer 1

Animals disperse seeds in several ways.  First, some plants, like the burr at left, have barbs or other structures that get tangled in animal fur or feathers, and are then carried to new sites.  Other plants produce their seeds inside fleshy fruits that then get eaten be an animal. The fruit is digested by the animal, but the seeds pass through the digestive tract, and are dropped in other locations.  Some animals bury seeds, like squirrels with acorns, to save for later, but may not return to get the seed.  It can grow into a new plant.

Answer 2

when animals are walking in fields certain light weight seeds stick to its body while it moves the sticked seeds get dispersed