Ch. 5 Lesson 5

Match each term to its definition. paleontologist a person who studies fossils geologic time scale a timeline of the history of Earth fossil fuel a substance that comes from the remains of organisms that lived millions of years ago Fill in the blank(s). Double check your spelling! Some fossils show us what extinct organisms looked like and how they lived. Which of the following is not something a fossil can tell us? the way plants and animals have changed the way plants and animals are similar to those in the past the way the Earth's environment has changed the way the Earth's environment is the same What is one way a scientist learns about extinct plants and animals? Comparing them the plants and animals that exist today Comparing them to plants and animals in the future Comparing them to the Earth's environment How has the environment of Kansas changed? You must write at least one complete sentence. What might finding a fish fossil in a desert tell paleontologists? how plants have changed how Earth's environment has changed how animals once got enough to eat how animals once attracted mates What are the two ways scientists determine the age of fossils? You must write at least two complete sentences. What is one way a fossil fuel does NOT affect the environment? an oil spill pollutes water burning coal pollutes the air recycling can prevent an overfilled landfill cutting down too many trees destroys animals' habitats