An organism that requires at least 1.5 M NaCl in order to grow is referred to as a(n) ________.
A. barophile
B. sodiophile
C. facultative halophile
D. extreme halophile
Answer: D
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If a leach field floods it becomes anoxic and effective treatment ceases.
Answer the following statement true (T) or false (F)
Answer the following statements true (T) or false (F)
1. In a commensal relationship between a phoretic species and its "host", the phoretic species is not affected. 2. Humans exert top-down pressures on white-tail deer. 3. Resource partitioning enables species that are better competitors to exclude similar species from a community. 4. Secondary metabolites originally meant to defend a plant can become essential compounds for some herbivores.
In some fungi, such as the bread mold Neurospora crassa, the arrangement of spores in the ascus directly reflects the order in which they were produced during meiosis. What is the collection of spores produced by meiosis in Neurospora crassa called?
A) unordered tetrad B) unordered octad C) ordered tetrad or ordered octad D) ordered pentad
Most kidney problems in the United States result
from a. viral infections. b. diabetes mellitus or high blood pressure. c. arsenic or lead poisoning. d. chronic overdoses of aspirin. e. accidental inhalation of pesticides.