Growing aquatic plants and finfish species together with shared water resources is an example of ________
A) hydroponics
B) polyculture
C) polyploidy
D) fish farming
E) None of these choices
B
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In DNA, a purine must always pair with a pyrimidine and vice versa in order to ensure that
A. the distance between the two phosphodiester backbones remains constant. B. the two strands are antiparallel. C. the distance between one base pair and the next remains constant. D. each base pair is held together by three hydrogen bonds.
All of the following are organisms within the
domain eukarya with one exception. Select the exception.
a. bacteria. b. animals. c. protists. d. fungi. e. plants
Which statement is NOT true about Monteverde
Cloud Forest Reserve? a. More than 50,000 tourists visit the reserve each year b. It is one of the few habitats left for jaguar, puma and ocelot c. It is home to more than 400 species of birds. d. Deforestation is no longer a problem outside the reserve’s borders. e. Ecotourism on the reserve provides employment to local people.
Biology developed as a science later than physics because:
A) it is more difficult to come up with ways of describing nature. B) biologists had to invent rules of the living world before they could describe the forms. C) the living world is tremendously diverse compared to the non-living world. D) biology is less complex than physics.