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Fossils. What are fossils?. The remains of once living things that died long ago. What scientists study fossils?. Paleontologist. What can we learn from studying fossils?.
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We can learn about the kinds of plants and animals that used to live on Earth…as well as what kinds of things animals ate.
Mold • Cast • Plant
Which fossil is the shape of a once-living thing left in a sediment when rock formed?
Which fossil forms when mud or minerals later fill a mold. This has the actual shape of the living thing-without being a real piece of the living thing.
If a fossilized tooth of a dinosaur is sharp, what do scientists predict it ate? Plants or Meat???
Because plants are a lot more fragile and don’t usually survive the process of becoming a fossil
Why are more fossils found in sedimentary rocks than in others?
Because the sediment covers the fossil over time. Heat and pressure from metamorphic and igneous rock often destroy any animal or plant remains
Are the fossils found on the very bottom of a layer of rock older or newer than other layers?
OLDER. They started out a long time ago and were covered by newer ones on top
Footprint fossils are cast fossils. They are the shape or imprint of an animal or plant.
Bone fossils are mold fossils. They are an actual piece of the living thing.
Which of these is not a fossil? Why?A. a cast of a seashellB. A footprint of a dinosaurC. A chunk of petrified woodD. a bone of an elephant
What might scientists learn from a fern fossil?A: what color the fern wasB: which animals ate the fernC: How ferns have changedD: which other plants lived at the same time
What can a footprint tell you about the animal that made it?