Evolutionary Development Question Preview (ID: 56799)

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

a) addition of free oxygen to Earth’s atmosphere

b) formation of clastic sedimentary rocks

c) movement of tectonic plates

d) filling of the oceans by precipitation

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

a) reptiles ®-amphibians ® insects ® fish

b) insects ® fish ® reptiles ® amphibians

c) amphibians ® reptiles ® fish ® insects

d) fish ® insects ® amphibians ® reptiles

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

a) brachiopods

b) eurypterids

c) graptolites

d) trilobites

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

a) Triassic Period

b) Devonian Period

c) Tertiary Period

d) Permian Period

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

a) meteor showers

b) melting of glacial ice

c) volcanic eruptions

d) evaporation of seawater

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

a) studying the life spans of present-day animals

b) radioactive dating of metamorphic rock

c) correlating widespread igneous ash deposits

d) examining fossils preserved in the rock record

Earth's fossil record shows evidence that

a) very few life-forms have become extinct

b) life-forms existed on land before life-forms existed in water

c) more complex life-forms probably have evolved from less complex life-forms

d) more complex life-forms probably have evolved from less complex life-forms

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

a) carbon dioxide

b) nitrogen

c) oxygen

d) water vapor

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

a) remaining unchanged

b) surviving environmental changes

c) becoming fossilized

d) becoming extinct

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

a) A

b) B

c) C

d) D

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