The short, numerous appendages used by some bacterial cells for adhering to surfaces are called ________.
A. flagella
B. pili
C. fimbriae
D. cilia
E. periplasmic flagella (axial filaments)
Answer: C
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All living things need carbon. How does most carbon enter the living portion of an ecosystem?
A. Atmospheric CO2 taken in by photosynthesis B. Elemental carbon taken in by plant roots C. Elemental carbon taken in by plant leaves D. Atmospheric CO2 taken in by soil bacteria
Traditionally, classification of fungi has been based on ____
a. DNA sequences b. body type c. mode of feeding
d. whether the fungus is a saprobe, parasite, or in a mutual symbiosis e. structures that release sexual spores
The attempt of two organisms trying to utilize the same resource is called
A. synergy. B. parasitism. C. competition. D. interference.
Which of the following is still found in the ADULT human?
a) series of pharyngeal slits b) dorsal nerve cord c) muscular, post-anal tail d) notochord