Chapter Test: The Geologic Column, Fossils and Extinction

How do most fossils form?

• A living thing dies and is buried under sediment
• The sediment is compressed and compacted 
• They are formed in sedimentary rock
• All of these answers

A species of animals that once lived on Earth but which no longer exists

• Extinct

• Endangered

• Keystone

• Abundant

a group of organisms that share similar characteristics and can mate with each other to produce offspring

• kingdom

• breed

• species

• kingdom

Which of the following have made dinosaurs become extinct? (Select all that apply)

• a meteorite has crashed into Earth

• Climate Change

• Hunting by Humans

• Ash and gas from erupting volcanoes

• Disease

the many different types of life that exist in an environment

• Keystone Species

• Biodiversity

• Animal Kingdom

• Endangered Species

a species that is in danger of extinction due to its low number of remaining individuals

• Endangered Species

• Keystone Species

• Extinct Species

• Biodiversity

What type of fossil is represented in the picture?

• Mold
• Cast
• Preserved Part

What type of fossil is represented in the picture?

• Mold
• Cast
• Preserved Part

A fossil is ____________.

• evidence of past life
• part of the fossil record
• found in sedimentary rock
• all of the above

What type of fossil is represented in the picture?

• Mold
• Cast
• Preserved Part