Which of the following is the largest lymphoid organ, and filters pathogens, worn-out red blood cells, and platelets from blood vessels?

a. spleen
b. thymus gland
c. lymph nodes
d. tonsils


a

Biology & Microbiology

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The most shallow soils occur in or on

A) steep slopes. B) native grasslands. C) valleys. D) floodplains.

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Production of ____ is a means of rapidly propagating new mycelia when environmental conditions are favorable for ascomycetes

a. asci b. hyphae c. conidia d. sporangia e. ascospores

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White Nose Syndrome is a fungal disease that affects ____.

A. humans B. amphibians C. dogs D. cats E. bats

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According to NFPA, rehab should be required after a fire fighter has consumed ____ 30-minute SCBA bottle(s).

a. 4 b. 1 c. 2 d. 3

Biology & Microbiology