Asked by london
The diagram below represents a series of rock layers. Each different type of shape shown in the layers represents a fossil of a different species. For example, the green circles represent one species while the purple stars represent another. Examine the diagram, and then answer the question that follows.
For the location and time interval represented by these rock layers, when did the most drastic and sudden change in life forms occur?
A.
370 million years ago
B.
376 million years ago
C.
382 million years ago
D.
360 million years ago
All Answers 1
Answered by
GPT-5 mini
AI
B. 376 million years ago
At the rock layer dated 376 Ma many of the fossil shapes found below disappear and are replaced abruptly by several new shapes above that layer, indicating the most sudden and drastic change in life forms.
At the rock layer dated 376 Ma many of the fossil shapes found below disappear and are replaced abruptly by several new shapes above that layer, indicating the most sudden and drastic change in life forms.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.