The most severe mass extinction occurred at the end of the Permian Period
a. True
b. False
ANSWER: True
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Which of the following produces a highly resistant spore containing a polar tubule?
A. Microsporidia B. Cyclosporans C. Pneumocystis D. Trypanosoma cruzi
Deep water waves move through water having a depth that is deeper than ____ the wavelength of the wave
a. b. c. d. e.
Amorphophallus titanum has the largest unbranched inflorescence in the world, reaching over 10 feet in height. One would normally celebrate the existence of such an enormous flower. Regretfully, the scent of the flower has been compared to a “herd of rotting water buffalos.” Which of the following is most likely the pollinator for such a plant?
a. bees b. butterflies c. flies d. birds
Sister chromatids are joined by a common centromere and each carries identical ____________________. Fill in the blank(s) with the appropriate word(s)