From a human time perspective, most mass extinctions would appear to ____.
A) have occurred rapidly
B) have occurred gradually
C) are immediately recognizable
D) involve a complete wipeout of all living organisms
E) have only occurred in marine environments
Correct Answer:
Verified
Q19: Invertebrates are a group of organisms that
Q20: Phytoplankton are primary producers.
Q21: Planktonic foraminifera and jellyfish are examples of
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Q23: Diatoms and algae are examples of phytoplankton.
Q25: Any animal that eats other animals, living
Q26: The Cambrian explosion refers to _.
A) a
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Q28: Archaeocyathid, bryozoan, and stromatoporoid fossils indicate which
Q29: Trilobites, an abundant organism during the Early
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