Cold is preferred for storing food because it retards microbial growth by slowing down metabolic processes.
Answer the following statement true (T) or false (F)
True
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Which structure is unique to osteichthyes?
a. swim bladder b. cartilaginous skeletons c. lateral line d. cutaneous respiration
Most scientists believe that the dinosaurs went extinct due to
a. runaway global warming. b. competition from early mammals. c. a meteorite impact. d. a pandemic disease. e. unknown causes.
Coevolution is
a. where each species is a selective agent that shifts the range of variation in the other b. random association between two individuals that allows similarity patterns to emerge. c. resource partitioning between two related species. d. mutualistic associations and commensalism. e. none of these.
All of the following types of evidence support the hypothesis that life on Earth formed spontaneously except for __________.
a. the discovery of ribozymes, showing that RNA molecules may be autocatalytic b. laboratory studies involving the formation and reproduction of vesicles c. the fossil record d. the abiotic synthesis of polymers from monomers dripped onto hot rocks e. the production of organic compounds in S. Miller's experimental apparatus.