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Questions and Answers
What are index fossils used for?
What are index fossils used for?
- Identifying the types of plants in an area
- Determining the relative age of other fossils (correct)
- Determining the absolute age of other fossils
- Identifying the movement of Earth's crust
How do scientists match rock layers of the same age from different locations?
How do scientists match rock layers of the same age from different locations?
- By studying key beds (correct)
- By analyzing fault lines
- By testing substances
- By examining ocean fossils
Which type of fossils are easily fossilized, lived in many places on Earth, and are always found in the same layer of rock?
Which type of fossils are easily fossilized, lived in many places on Earth, and are always found in the same layer of rock?
- Trace fossils
- Index fossils (correct)
- Mold fossils
- Petrified fossils
What is constantly moving and changing, causing the formation of faults?
What is constantly moving and changing, causing the formation of faults?
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What do scientists do to figure out possible causes of mass extinctions of a species?
What do scientists do to figure out possible causes of mass extinctions of a species?
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What do fossils help scientists know about plants that grew in an area millions of years ago?
What do fossils help scientists know about plants that grew in an area millions of years ago?
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