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BSC 464 Final Exam Questions With All Correct Answers
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BSC 464 Final Exam Questions With All Correct Answers
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BSC 464 Final Exam Questions With AllCorrect Answers
Agar CORRECT ANSWERS A nutrient medium for growing bacteria and fungi; food and
drugs are derived
Agarophyte CORRECT ANSWERS Agar producers; Gelidium and Gracilaria
Molecular Phylogenetics CORRECT ANSWERS The study of the evolutionary
relationships among organisms and genes
LSU/28S CORRECT ANSWERS A large subunits of rDNA (least amount of variation)
SSU/18S CORRECT ANSWERS Small subunit of rDNA, less variable than ITS, but with
regions of high variation
ITS CORRECT ANSWERS "Internal Transcribed Spacer" (high variation)
RDNA CORRECT ANSWERS Ribosomal DNA
RbcL CORRECT ANSWERS Large subunit rubisco encoded in the chloroplast; higher
base substitution rate, very useful for recent divergence events
Distance methods CORRECT ANSWERS The number of differences between all pairs
of taxa are determined to form a phylogenetic tree
Dendrogram CORRECT ANSWERS A phylogenetic tree which attempts to
accommodate pair wise differences
Cladogram CORRECT ANSWERS A tree that considered the changes within a species
Exhaustive search CORRECT ANSWERS When every possible tree is analyzed when
the number of taxa is less than 12
Heuristic search CORRECT ANSWERS A trial and error approach for studies involving
12 or more taxa
Bootstrap value CORRECT ANSWERS A value that evaluates the individual node of a
tree by recording the number of times a particular branch is recovered
Genomics CORRECT ANSWERS The study of the organization and evolution of genes
and genomes
, Phytoplankton CORRECT ANSWERS Free floating microscopic algal species, with or
without motility, without association with submerged substrates; fundamental in the
chain food of aquatic environments
Eurythermal CORRECT ANSWERS Species that have a wide range between minimum
and maximum temperatures, tolerant to temperature change
Stenothermal CORRECT ANSWERS Species that can survive only in a narrow
temperature range, sensitive to temperature change
Cosmopolitan CORRECT ANSWERS A species that can be found in several
geographic locations
Thermocline CORRECT ANSWERS Where temperature decreases rapidly in a few
meters in depth
Epilimnion CORRECT ANSWERS Warmer superficial region of a body of water
Hypolimnion CORRECT ANSWERS Colder, deeper layer of water
Solarization CORRECT ANSWERS Elevated intensities of light
Nannoplankton CORRECT ANSWERS Plankton within the size range of 5-60 microns
Euphotic zone CORRECT ANSWERS From the surface down to 50-80m in depth
Oligophotic zone CORRECT ANSWERS Zone that extends 500m in depth
Photophile CORRECT ANSWERS Needs strong light; species with a maximum density
of 20m in depth
Sciaphile CORRECT ANSWERS Species that resides around 50 m in depth
Salinity CORRECT ANSWERS Total content of salts dissolved in water
Oligohalines CORRECT ANSWERS Freshwater algae
Polyhalines CORRECT ANSWERS Marine algae
Stenohalines CORRECT ANSWERS Species sensitive to salinity variation
Euryhalines CORRECT ANSWERS Can tolerate a variety of salinities
Macroelements CORRECT ANSWERS Required elements to live "Chris HOPKINS
CaFe (is) Mighty Good"
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