it poos
Well, they do not eat them, but they help fertilize the soil under them.
The manure can be used to fertilize the farmers crops
They fertilize the soil with their feces. - GerbilExpert
You could use horses to get around instead. You don't have to bye gas. Horses can help in many different ways. Use horses for farming instead of getting machines. Help save horses they are dying in many different ways. From, Help the horses
it is produced by sperms to help penetrate the ovum and fertilize it
The answer is that earthworms help to build soil and fertilize
Floods are useful by how plant fertilize it help the plants.
A horses head help them to see farther away than what they can see
What do you mean? If it is "why do girls have horses" i can help. Girls have horses because they like them.
Animal waste can help to fertilize the plants.
Ask your neighbors to help fertilize your crops.
Aerate, fertilize soil and as decomposers.