In the unique seafloor vent community, the primary producers are

A) giant snails.
B) sulfur bacteria.
C) phytoplankton.
D) plants.
E) tube worms.


B

Biology & Microbiology

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Which of the following is/are secondary lymphoid organ(s)?

A. Thymus B. Spleen C. Lymph nodes D. Bone marrow E. Spleen AND lymph nodes

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As temperature decreases, the metabolic rate of an endotherm typically ____ and the metabolic rate of an ectotherm

typically ____.

a. decreases; decreases b. increases; decreases c. decreases; increases d. increases; increases e. increases; remains the same

Biology & Microbiology

Along with the egg, in the part of an embryo sac next to the micropyle you should find

a. the central cell. b. a seed. c. the pollen tube. d. synergids. e. antipodal cells.

Biology & Microbiology

A BAC of 0.08% is equivalent to ___ grams of alcohol per 100ml of blood.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology