Fossils Exam

Which fossil forms when minerals replace all or part of an organism?

• Cast fossil

• Petrified fossil

• Trace fossil

• Mold fossil

What is the purpose of the fossil record?

• To show the order in which organisms lived

• To determine the age of the Earth

• To explain how rocks are formed

• To describe weather patterns

What is a mold fossil?

• A fossil formed from the impression left in rock

• A fossil made from minerals replacing organic material

• A fossil showing animal footprints

• A fossil preserved in amber

A paleontologist finds a fish fossil in a rock layer. What does this tell us about the environment when the rock formed?

• The area was likely covered by water

• The area was a desert

• The area was a forest

• The area was a mountain

Which of these is an example of homologous structures?

• Bat wing and human arm

• Butterfly wing and bird wing

• Monkey tail and fish tail

• Cat eye and dog eye

Which type of evidence shows similarities in early development and supports evolution?

• Embryology

• Fossil record

• Radioactive dating

• Plate tectonics

How does DNA support evolution?

• By showing similarities in genetic material among species

• By showing how rocks form

• By explaining the water cycle

• By describing weather patterns

Which of these is a vestigial structure in humans?

• Appendix

• Heart

• Brain

• Lungs

What is the law of superposition for?

• To determine the relative ages of rock layers

• To measure the temperature of rocks

• To find the chemical composition of rocks

• To identify fossils

Which method is used to find the absolute age of a rock?

• Radioactive dating

• Law of superposition

• Index fossils

• Weathering