Which two conditions are the most important in order for an organism to become fossilized?
A) Rapid death and oxygen-free environment
B) Rapid burial and possession of hard parts
C) Rapid mineralization and rapid desiccation
D) Rapid decay and possession of soft tissues
Answer: B
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The Big Bang
A. occurred as a result of disturbances within the Large Magellanic Cloud. B. took place within time. C. marked the beginning of space and time. D. took place within space.
How many times during the last 2.6 million years (the Quaternary Period) has Earth's climate cycled back and forth between glacial and interglacial periods?
A) 11 times B) more than 100 times C) 4 times D) 22 times
The climate type in which precipitation is less than half the potential evapotranspiration is:
a. desert. b. steppe. c. both desert and steppe. d. tropical monsoon.
Which of the following is least likely to be a volcano?
A. a hill with a crater formed at the site of an eruption B. a fissure that erupts hot, molten lava C. a hill capped by volcanic rocks D. a vent where magma and other volcanic material is erupted E. a mountain that erupts only volcanic ash