SIS Science Fossils Flashcard

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What is a fossil?

Back

A fossil is the preserved remains or traces of a once-living organism, often found in sedimentary rock.

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What environments are likely to produce fossils?

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Fossils are commonly found in environments like oceans, lakes, and riverbeds where sediment can accumulate.

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What can scientists learn from studying fossils?

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Scientists can learn about the organism's appearance, diet, and the environment it lived in.

Front

What type of climate is associated with smooth-edged leaves?

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Smooth-edged leaves are most common in warm tropical climates.

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What does the presence of plant fossils in a layer indicate about the environment?

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It indicates that the environment was likely a forest where plants thrived.

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How do fossils form?

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Fossils form when organisms are buried by sediment, which hardens over time, preserving their shape.

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What type of dinosaur is the Nothosaurus?

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The Nothosaurus is a marine reptile that lived in the ocean.

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What evidence suggests that a land was once covered by water?

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The discovery of fish fossils in sediment indicates that the area was once underwater.

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What is the significance of studying dinosaur fossils?

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Studying dinosaur fossils helps scientists understand the types of food they ate and their habitats.

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What is sediment?

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Sediment is small particles of rock, soil, and organic material that can accumulate and form layers.