Genetically identical organisms are simply not of the same body.
Environment of organisms greatly affects their differences. They can be identical but we cannot assure that they the experience and move around the same environment. There is also called epigenetic mechanism that explain why two almost-similar organism can be genetically identical but differ in phenotypes.
The biotic factors in an ecosystem are the living organisms, such as animals.
So if their were bats then that could be one or long ago animals