Extinctions QuizVersion en ligne Test your knowledge of extinctions. par CORDOVA VAZQUEZ AXEL ELI 1 What does extinction mean? a Temporary disappearance from a region b The death of all members of a species c Species evolving into another d The loss of a single population 2 Which species' last individual, named Martha, died in 1914? a Labrador duck b Dodo bird c Passenger pigeon d Steller's sea cow 3 Which extinct bird was driven to extinction by introduced pigs and cats? a Moa b Quagga c Great auk d Dodo 4 What is a mass extinction? a A regional climate change event b A slow, gradual loss of one species c A local decline in population d A period when many species disappear quickly 5 Which mass extinction is linked to an asteroid impact near Mexico? a Late Ordovician b End-Permian c Late Devonian d End-Cretaceous 6 Earth's largest extinction event occurred during which period? a End Cretaceous b Late Triassic c Late Devonian d End Permian 7 What is the baseline extinction rate in nature? a One per year b Ten per year c About one species per one million species per year d One per ten thousand species per year 8 What caused the extinction of the Rocky Mountain locust? a Climate change b Habitat conversion to farmland c Pollution d Competition with invasive species 9 Which field studies past extinctions using fossils? a Paleobiology b Paleontology c Archaeology d Geology 10 What caused the extinction of the Hawaii chaff flower? a Habitat conversion to military installations b Invasive species c Overhunting d Pollution
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