Multiple Choice
Which of the following represents a correct chronological ordering of Earth's geological history, from earliest to latest?
A) Permian mass extinction, Cretaceous mass extinction, Cambrian explosion
B) Permian mass extinction, Cambrian explosion, Cretaceous mass extinction
C) Cambrian explosion, Permian mass extinction, Cretaceous mass extinction
D) Cambrian explosion, Cretaceous mass extinction, Permian mass extinction
E) Cretaceous mass extinction, Permian mass extinction, Cambrian explosion
Correct Answer:
Verified
Correct Answer:
Verified
Q22: Which statement about the Phanerozoic eon is
Q23: Refer to the figure, which shows an
Q24: Refer to the figure, which shows a
Q25: Which of the following is the most
Q26: The first terrestrial arthropods began to occupy
Q28: Oxygen-generating cyanobacteria liberated enough O<sub>2</sub> to open
Q29: About _ years ago, prokaryotes probably first
Q30: Oxygen concentrations on Earth were at their
Q31: Refer to the graph showing the decay
Q32: At the end of the _ period,