WVGSA Grade 8 Science Practice Questions - West Virginia General Summative Assessment Grade 8 Science Exam

How do scientists use fossils preserved in rock layers to reconstruct the history of life on Earth?

Fossils show that ancient species were identical to modern living animals Older rock layers generally contain fossils of simpler organisms, showing evolutionary changes over time Fossils prove that Earth is only a few thousand years old Fossils reveal how modern animals learn behavioral skills

Correct Answer:

Older rock layers generally contain fossils of simpler organisms, showing evolutionary changes over time

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