Which trait would be considered a vestigial trait?

A. a human tailbone
B. a dolphin's blowhole
C. a gorilla's opposable thumb
D. a penguin's flippers


Answer: A. a human tailbone

Biology & Microbiology

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The most likely identification of kanamycin-sensitive and anaerobic gram-negative bacilli that fluoresce a chartreuse color is:

a. Fusobacterium spp. b. nonpigmented Prevotella. c. B. ureolyticus. d. Porphyromonas spp.

Biology & Microbiology

__________ is the only disease to have been

eradicated from causing natural infections. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

The early report that Stanley Miller had created "Life in a Test Tube" in his experiment to re-create chemical conditions on Earth before life arose was correct.

a. true b. false

Biology & Microbiology

What does it mean for an apicomplexan to have a complex life cycle?

a. require two or more hosts b. have many specialized structures c. never age d. begin with a larval stage

Biology & Microbiology