Decomposers perform their recycling efforts
on organisms
a. at the end of a food chain.
b. on the top of a pyramid.
c. that are producers.
d. that are consumers.
e. that are all of these.
E
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Methane can be produced from agricultural or industrial products by ________.
A. anaerobic respiration B. oxidation of nitrogen gas C. glycolysis D. fermentation
Ammonia, urea, and uric acid
A. are all nitrogenous wastes. B. all require large amounts of water for excretion. C. all require about the same amount of energy to produce. D. are all equally toxic. E. are all produced by the kidney.
When ____ comes in contact with acidic gastric juices, it is converted to ____, the main digestive enzyme of the
stomach. a. carboxyamylase; amylase b. amylase; carboxyamylase c. pepsin; pepsinogen d. pepsinogen; pepsin e. bolus; chyme
Answer the following questions true (T) or false (F)
1. The tuberculin response is an example of allergic contact dermatitis. 2. Children with Bruton-type agammaglobulinemia are highly susceptible to recurrent bacterial infections. 3. Systemic lupus erythematosus (SLE) is a disease resulting from accumulation of immune complexes in various organs and tissues.