Question

The graph shows the changes in the number of animal fauna's living on earth overtime in how the fauna's were affected by different extinction events which statement is correct about the changes in fauna's during one of these five major events
A) The event at the end of the Devonian resulted in the increase in the number of Cambrian fauna’s
B) The event at the end of the Cretaceous resulted in a increase in the number of Paleozoic fauna’s
C) The event at the end of the Triassic Resulted in the extinction of fewer fauna’s then in any other period
D) The event at the end of Cretaceous resulted in the Extinction of more fauna’s then in any other period

Answer 1

Answer: C) The event at the end of the Triassic Resulted in the extinction of fewer fauna’s then in any other period

Explanation:

Looking at the graph, the event at the end of the Triassic resulted in the smallest dip in the amount of fauna in the graph. This means that this event resulted in the extinction of fewer faunas than any of the other five major events.

Option A is wrong as the event at the end of the Devonian decreased the number of Cambrian fauna.

Option B is wrong as the event at the end of the Cretaceous resulted in a decrease in the Paleozoic fauna.

Option D is wrong because the event that resulted in the Extinction of more fauna’s then in any other period was the event at the end of the Permian.