Evolutionary Development

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

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

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

Earth's fossil record shows evidence that

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

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

This evolutionary development from fish to amphibian is believed to have occurred during the

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

The gases in Earth's early atmosphere are inferred to have come primarily from