Mystery Science Animals Through Time

Which animal was the dinosaur closely related to?

• Shark

• Gorilla

• Crocodiles

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Scientists assume dinosaurs were like scaly reptiles and not furry animals because

• There are more openings in the skull like reptiles we see today.

• They had long necks like snakes and lizards we have today.

• Only reptiles could be as large as a dinosaur. Furry animals are usually smaller.

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About how long ago did all of the dinosaurs die?

• 65 million years ago

• 20 million year

• 5 million years ago

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How can you match a newly found fossil with other fossils that you have found?

• Compare them by their traits, such as if it has legs or fins.

• Compare them by their weight, such as heavy or light.

• Compare them by their color, such as brown or green.

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How do fossils give us clues about habitats?

• We can tell what color the animals were based on their fossils.

• Habitats and fossils aren’t connected. We can only guess since it was so long ago.

• The traits of the fossils can be compared to the animals that live there today.

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On a fossil dig, you find animals with legs and a tail close to the surface. Much deeper you find animals with fins.

What does this tell you?

• Ocean and Land animals lived there at the same time.

• Ocean animals lived in that area first and then after that, land animals lived there.

• Land animals lived in that area first and then after that, ocean animals lived there.

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Kayla went swimming so she could see sharks and sea turtles. When she started swimming, she saw many tree trunks on the ocean floor. What kind of habitat do you think was in this location a long time ago?

• Forest

• Grassland

• Ocean

• Desert

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You take a trip to the local quarry. You walk all the way to the very bottom. At the bottom of the quarry, you find the fossils in the picture. What kind of habitat do you think was in this location when these animals were alive?

• Grassland

• River

• Ocean

• Desert

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Which of the following animals is considered a living relative of the ancient dinosaurs?

• A) Elephant

• B) Crocodile

• C) Whale

• D) Eagle

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What evidence do scientists use to determine that some dinosaurs might have had feathers?

• A) Fossilized skin impressions

• B) Fossilized feathers found with dinosaur bones

• C) The size of the dinosaur bones

• D) The color of the rocks around the fossils

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