Which of the following microorganisms have been referred to as energy parasites?
A. rickettsias
B. vibrios
C. chlamydias
D. spirochetes
E. Borrelia
Answer: C
Biology & Microbiology
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Examine Figure 23.2 in your textbook. The group "fish" includes all vertebrates except the tetrapods. The taxon "fish" is therefore a _____ group
A. monophyletic B. paraphyletic C. polyphyletic
Biology & Microbiology
Brown algae lack true roots but have similar structures called ____ that anchor them to their substrate
a. stipes b. blades c. holdfasts d. thalli e. rhizoids
Biology & Microbiology
Which protist structure serves as a flexible coat of armor?
a. Pellicle b. Cilia c. Flagella d. Pseudopodia
Biology & Microbiology
The source of the oxygen produced by photosynthesis has been identified through experiments using radioactive tracers. The oxygen comes from __________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology