Respuesta :
Answer:
C) A predatory fish is introduced into a lake, resulting in a dramatic decrease in the populations of smaller fish.
Explanation:
The other options wouldn't make sense because none of them would cause the extinction of a species. The animals would either adapt or only a few would die. If a new predatory fish were introduced into a lake that had never had it before, lots of the fish would die.
A predatory fish because in all of these the species don’t go extinct or have a chance of going extinct except the predatory fish one