Fossils

Describes a group of living things that are no longer living.

• fossil

• extinct

• endangered

• dinosaur

Which type of rock are most fossils found?

• sedimentary rock

• metamorphic rock

• igneous rock

• fossils

If a scientist found a fish fossil in the desert, what can they infer?

• An animal ate the fish.

• The water covered the area long ago.

• Today's fish looks the same

• The fish is endangered.

Scientist study the ____________________ to learn about the history of life, past environments on Earth, and how different groups of organisms have changed over time.

• fossil record

• animal record

• historical record

• Earth record

What can fossils tell us about the past? (check all that apply)

• Which organisms used to live on Earth and what they looked like

• How the environment has changed

• How organisms alive today have changed and adapted over time

• How to make a taco

What is speciation?

• Speciation is how a new kind of plant or animal species is created, often due to the plant or animal being isolated.

• Speciation is how species breed with other species, and this often happens on islands.

• Speciation is how hybrid species are created, for example, when two different dog breeds mate together.

• Speciation is when an entire species gene pool dies.

What type of fossil is pictured here?

• Forest fossil

• Trace fossil

• Cast fossil

• Body fossil

What type of fossil is pictured here?

• Mold fossil

• Trace fossil

• Cast fossil

• Body fossil

What type of fossil is pictured here?

• Mold fossil

• Trace fossil

• Cast fossil

• Body fossil

Principle that Earth's processes occurring today are similar to those that occurred in the past 

• unconformities 
• uniformitariansim 
• superposition