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Environmental Biology Exam 3.1
N/A
50
Environmental Studies
Undergraduate 2
04/28/2010

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Cards

Term
Absorption Spectrum
Definition
Wavelengths of light absorbed.
Term
Acclimation
Definition
Short term adjustment to tolerate stress.
Term
Action Spectrum
Definition
Wavelengths of light at which processes occur.
Term
Adaptation
Definition
Permanent genetic change that allows organism to tolerate stress.
Term
Allelopathic Compounds
Definition
Biochemicals that affect the growth of nearby organisms.
Term
Antagonistic Resources
Definition
When two resources that have toxic interactions are consumed, more of each resource must be consumed.
Term
Autecology
Definition
Study of the environmental factors that influence individuals.
Term
Anthracite
Definition
Highest quality coal.
Term
Bundle-sheath Cells
Definition
Where Calvin Cycle occurs in C4 plants.
Term
Carboxylase
Definition
Adds carbon from CO2 to an organic molecule.
Term
Cuticle
Definition
Waxy layer on epidermis of leaf.
Term
Drag
Definition
Force resulting from the viscous properties of the medium an organism is moving through.
Term
Ectotherms
Definition
Internal temperature varies with external temperature.
Term
Endotherms
Definition
Internal temperature remains constant.
Term
Epidermis
Definition
Outer layer of leaf.
Term
Euryhaline
Definition
Can tolerate wide range of salinity.
Term
Eurythermal
Definition
Can tolerate wide range of temperatures.
Term
Gelbstoff
Definition
Dissolved organic and humic materials from terrestrial runoff.
Term
Genet
Definition
Product of the zygote, made up of repeated genetically identically units.
Term
Holdridge's Life Zone Classification
Definition
Habitats based on temperature, rainfall, and relative humidity.
Term
Homeotherm
Definition
Relatively constant internal temperature.
Term
Inertia
Definition
Resist to change in motion.
Term
Liebig's Law of the Minimum
Definition
Total yield of organism determined by nutrient in lowest supply.
Term
Bituminous
Definition
Lower quality than anthracite.
Term
Lignite
Definition
Lower quality than bituminous.
Term
Metabolic Rate
Definition
Measure of the amount of energy used per unit of time.
Term
Modular Organisms
Definition
Colony/clonal organisms, difficult to define individual.
Term
Nastic Movement
Definition
Plant growth in relation to stress.
Term
Orogeny
Definition
Uplift/mountain building.
Term
Oxygenase
Definition
Adds oxygen to organic molecule instead of carbon.
Term
Palisade Parenchyma
Definition
Long, rectangular mesophyll cells.
Term
Pangaea
Definition
Supercontinent.
Term
PAR Spectrum
Definition
Photosynthetically Active Radiation.
Term
Peat
Definition
Accumulation of partially decayed organic matter.
Term
PEPck
Definition
Resides in outermost photosynthetic cells, grabs CO2 into a C4 compound.
Term
Photorespiration
Definition
Net loss of fixed carbon.
Term
Poikilotherm
Definition
Varying internal temperatures.
Term
Ramet
Definition
Asexually produced individuals from genet.
Term
Reynold's Number
Definition
Dimensionless number expressing the ratio of inertial to viscous forces.
Term
RuBisCO
Definition
Fixes carbon from CO2, or oxygen to organic molecule. Most abundant protein on earth.
Term
Spongy Parenchyma
Definition
Round mesophyll cells that create spaces within leaf.
Term
Stenohaline
Definition
Tolerates narrow range of salinity.
Term
Stenothermal
Definition
Tolerates narrow range of temperatures.
Term
Stomata
Definition
Opening in leaf that allows gas exchange.
Term
Succulence
Definition
Stores water.
Term
Synergistic/Complementary Resources
Definition
When two resources that interact beneficially are consumed, less of each must be consumed.
Term
Terminal Moraine
Definition
Maximum advance of glacier.
Term
Unitary
Definition
Individual of a species easy to identify.
Term
Wisconsonian
Definition
Glacial deposit in Poconos.
Term
Xerophyte
Definition
Grow in dry regions.
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