Vertebrates have the same waste-disposal problems as invertebrates. They must deal with the very toxic ammonia their bodies produce, and most vertebrates must expel wastes while conserving water.
Just like humans do.
Animal waste can help to fertilize the plants.
pigs
their waste...
oxygen and bacteria
yes
The waste is returned to the soil as nutrients.
No part - if it can be digested then its not waste.
A animal could eat the waste and think it's food and the animal could die.
Yes, the waste products of animals are manure and urine.
roxanne
dung
we were formed by animal waste.