Module 12 - Catastrophic Events

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Which of the following has been known to create dramatic climatic changes on Earth causing mass extinction?

Because most organisms around the world including many of the dinosaurs during the Cretaceous period not directly impacted by the Chicxulum asteroid, which of the following best explains why approximately 70% of all species disappeared from the foss

Which of the following is NOT an impact volcanic activities can have on the conditions on Earth and the diversity of its life forms?

Catastrophic events including volcanic activities and the impact of an asteroid/comet have affected the conditions on Earth and the diversity of its life forms. Which of the following best explains how these catastrophic events affected conditions on

A species is __________ if no members of that species are living.

Which of the following can be a result of volcanic activity?

Which of the following is known to be a result of a large impact event on Earth?

The graph below represents several mass extinctions during the Phanerozoic Eon. Which of the following best explains why these extinction events occurred?