Fossil Record Review

View the diagram - Which animal is the oldest according to the fossil record?

• Shelled invertebrates

• Fish

• Amphibians

• Mammals

• Birds

View the diagram - Which animal evolved first according to the fossil record?

• Shelled invertebrates

• Fish

• Amphibians

• Mammals

• Birds

View the diagram - Which animal evolved last according to the fossil record?

• Fish

• Amphibians

• Mammals

• Birds

• Humans

View the diagram - Which animal evolved most recently according to the fossil record?

• Fish

• Amphibians

• Mammals

• Birds

• Humans

View the diagram - During which time period did amphibians evolve?

• Precambrian

• Cambrian

• Ordovician

• Silurian

• Devonian

View the diagram - During which time period did reptiles evolve?

• Triassic

• Permian

• Carboniferous

• Devonian

• Silurian

Which organism went extinct before gastropods evolved?

• Trilobite

• Crinoid

• Fern

• Ammonite

What can we conclude by viewing the rock sequence diagram above?

• Ferns evolved before corals

• Ammonites evolved before trilobites

• Crinoids evolved before ferns

• Corals evolved after gastropods

The graph above shows the number of species in each class of organisms by shading larger or smaller areas. Which class saw the largest increase in the number of species over time?

• Amphibia

• Aves

• Reptilia

• Osteichthyes

The graph above shows the number of species in each class of organisms by shading larger or smaller areas. Which class saw the smallest increase in the number of species over time?

• Amphibia

• Aves

• Reptilia

• Osteichthyes