Most monocots have numerous ____ roots arising from the stem
a. adventitious
b. primary
c. secondary
d. taproot
e. nonfibrous
a
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If black fur color is controlled by a dominant allele (B) and brown by its recessive allele (b), give the genotypes of the
parents and offspring of a cross of a black male with a brown female that produces 1/2 black offspring and 1/2 brown offspring. What will be an ideal response?
In 2005, the amount of animal waste produced by factory farms was how many times the amount of waste produced by the human population of the United States?
A) 50 B) 95 C) 100 D) 130
A microbiologist is conducting a research project on chemolithoautotrophs. This means that the investigator is examining certain aspects of a bacterium that
A. is a purple nonsulfur bacteria which depends on light. B. can oxidize inorganic molecules such as ammonia and sulfur for energy. C. can use the energy from sunlight to build organic molecules from carbon dioxide. D. uses light as its energy source and carbon for organic compounds. E. obtains carbon from organic molecules.
The product of which process contains the highest BOD?
A) anaerobic sludge digestion B) primary sewage treatment C) secondary sewage treatment D) tertiary sewage treatment E) water treatment