Answer:
catastrophism
Explanation:
According to my research on studies by different geologists, I can say that based on the information provided within the question This set of observations tends to support catastrophism. This is a theory proposed by Georges Cuvier that believes that now-extinct species had been wiped out by periodic catastrophic flooding events. Which is why they are found in different layers of rock.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.