Evolutionary Development

Match it! Select the correct answer from the pull down...Good luck!

According to fossil evidence, which sequence shows the order in which these four life-forms first appeared on Earth?

Theories of evolution suggest that variations between members of the same species give the species greater probability of

Which group of organisms, some of which were preserved as fossils in early Paleozoic rocks, are still in existence today?

Fossil evidence indicates that the earliest birds developed during which time interval?

Which gas is inferred to have been absent from Earth's atmosphere during the Early Archean Era?

Much of the evidence for the evolution of lifeforms on Earth has been obtained by

Earth's fossil record shows evidence that

Which event in Earth’s history was dependent on the development of a certain type of life-form?