2020: 7th Grade - Chapter 4 A Trip Through Geologic Time

What type of fossil is a hollow area in the shape of an organism?

What does the Law of Superposition state?

What is an amphibian?

What ERA did dinosaurs exist in?

How do geologists determine when one time period begins and ends?

What type of fossil preserves the entire organism?

How do scientists determine the exact age of rocks?

What time period did modern humans arrive in?

Which of the following is NOT a reason why mass extinction occurred at end of Permian Period?

What body feature did organisms begin to develop at the beginning of the Cambrian period?

What are the preserved remains or traces of living things?

Which era has the least fossils?

What type of fossil is a solid copy of the shape of the organism?

What parts of an organism will we see in a fossil?

When looking at a subsection of rocks, how are rocks usually found?

What do index fossils help scientists to determine?

Which group's extinction allowed mammals to thrive on Earth?

What record of information shows how different groups of organisms have changed over time?

What time period are we currently in?

What type of fossil provides evidence of the activities of an organism?

If an organism is extinct, what does that mean?

Which of the following is not an example of vertebrate?

What is an index fossil?

What is the difference between relative and absolute age of rocks/fossils?

What is a record of the geologic events and the evolution of life forms known as?

In what type of fossil will minerals replace all or part of an organism?

Index fossils must have which two important criteria?

What is the change in living things over time known as?

Which of the following is NOT an example of an invertebrate?

What type of rock would you typically find a fossil in?

What was the Mesozoic Era known as?

Why did the dinosaurs disappear?

Which time period is the longer: era or period?

What time period did dinosaurs first appear in?

In what type of fossil will an extremely thin coating of carbon be found on a rock?