History of Planet Earth Quiz

Put the steps to form body fossils in order

• Minerals replace hard tissue

• Soft tissue decays

• An organism dies

• Sediments cover the dead organism

What do fossils tell scientists?

• If organism lived on land or in water, if climate was windy or calm

• If organism lived on land or in water, if climate was dry or wet

• If organism lived on land or in water, if climate was warm or cold

What do index fossils connect?

• Rock layers from different epochs

• Rock layers from the same period

• Rock layers from different periods

• Rock layers from different eras

How can layers of rock change?

• Earth's crust shifts along rivers

• Earth's crust shifts along valleys

• Earth's crust shifts along mountains

• Earth's crust shifts along faults

When did mass extinctions happen?

• At the end of Mesozoic era

• At the beginning of Mesozoic era

• At the beginning of Paleozoic era

• At the end of Paleozoic era

Another name for rock layers is ______

Layers of sediment form in a ​ (a)   pattern (​ (b)   to Earth's surface)

• horizontal
• parallel
• vertical
• perpendicular
• diagonal
• level

What led to Mass Extinction of the dinosaurs?

• Alien invasion and nuclear war
• Overhunting and disease outbreak
• Asteroid impact and climate change

Is a fault always younger or older than surrounding rock?

• younger

• older

What does a fossil record tell scientists?

• Fossil records tell scientists how organisms have changed over time.

• Fossil records have no relevance to the history of life on Earth
• Fossil records provide information about the history of life on Mars
• Fossil records tell scientists about the future of life on Earth