A long time ago Ohio was covered by a shallow sea. In Ohio today, you would most likely find...
fossils of animals that had fur and lived on land.
fossils of animals that had feathers and flew in the air.
fossils of animals that could live and breathe underwater.
Small extinct animals called gastropods were once found in Ohio. Gastropods had hard shells to protect their soft bodies and crawled on the sea floor using a foot. What animal today looks most like a gastropod?
Snail
Worm
Centipede
Fossils are the remains of an animal or plant that lived long ago. What can fossils tell us?
What the world looks like today.
What the world looked like millions of years ago.
What the world will look like next year.
What is the first step in fossilization?
Millions of years later, it becomes a fossil.
The animal dies.
The soft parts of the animal decay and the animal is buried.
Although dinosaurs once lived on Earth they are no longer alive today. What is one piece of evidence that paleontologists use to prove they once existed?
Cartoon Pictures.
Fossils found in rocks.
The plants scientists think they ate.
True or False: Every animal that once lived on Earth became a fossil.
True
False
True or False: Fossils can teach us what an animal ate.
True
False
True or False: Fossils can teach us the color of an extinct animal.
True
False
Choose TWO POSSIBLE reasons why some kinds of living things are extinct.
The Earth's climate changed and they couldn't survive.
They were afraid of people and all died.
They lost their food source and died out.
All of the water on Earth disappeared.
If you look closely in your backyard, you may find fossils of prehistoric sea animals like trilobites. Why do we no longer find living trilobites in Ohio today?
Sharks ate them all.
The Earth Changed and Ohio is no longer covered by a shallow sea.
Trilobites are still alive in Ohio.
What does extinct mean?
A plant or animal that is in danger of dying out.
A plant or animal that is alive.
A plant or animal that has completely died out and no longer on Earth.
What is the second step in fossilization?
Millions of years later, it becomes a fossil.
The animal dies.
The soft parts of the animal decay and the animal is buried.
What is the last step in fossilization?
Millions of years later, it becomes a fossil.
The animal dies.
The soft parts of the animal decay and the animal is buried.
True or False: Fossils can tell us what kind of a mother an animal was.
True
False
True or False: Scientist believe that changes in the earth are responsible for some animals becoming extinct.
True
False
I am a Trilobite. I am related to modern day...
birds
fish
lobsters
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