First Answer:
Chickens.
Chickens have been bred to the point that they about equal the human population.
Second Answer:
I think it is Fish if you consider them as animal, a living thing.
the ant of course 1
they get buried in the soil
i believe that horses, dogs, and cat are most commonly killed from animal cruelty. ~ And Chickens,Or other sorts of birds...Caused by Cock fighting
there is not any animal that dies not die
The last specie of an animal dies.
The scenario suggests that a predator, such as a lion or crocodile, may kill another animal, like a gazelle or zebra, that is drinking at a stream. The second animal dies due to the predatory behavior of the first. This highlights the interaction between species in their habitat, where one animal's survival often depends on the death of another.
The most common animals that die from biomedical tests are mice. The second most common animals are rats.
an animal that needs coral :^)
see my sh!t first and you'll see
When an Animal Dies, and Decomposes Nitrogen is Released, where Bacteria and Plants begin there work, you may want to research the Nitrogen Cyclean animal returns nitrogen to the environment when it urinates or decompeses or dies or decays
Scorpion
quite a few