The "Great Dying" is sometimes used to as another name for which event?Group of answer choicesThe dinosaur extinctionThe Cambrian explosionThe great oxidation eventThe end-Permian extinction

The Cambrian explosion refers toGroup of answer choicesan ancient mass extinction eventthe origin of prokaryotesthe origin of eukaryotesthe invasion of the landthe sudden appearance of animals

Following the devastation of End Permian came 'the age of reptiles'; this really covered the entire _________ Era, right up to the extinctions at End Cretaceous. A. Triassic B. Mesozoic C. Phanerozoic

End of Permian extincts were complex: 5 events over 5 million years.A. TrueB. False

(Q012) The Paleozoic Era ended with a mass extinction event that was likely caused byGroup of answer choicesthe formation of Pangaea.intense volcanic activity.the formation of high-latitude ice sheets.the evolution of land plants.

A mass extinction event occurred about 542 mya that marks the boundary between Precambrian time and the A. Cambrian Period B. Hadean Period C. Permian Period