Exam (elaborations)
Wildlife Conservation and Ecology Final Exam (1).
Wildlife Conservation and Ecology Final Exam (1).
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Wildlife Conservation and Ecology Final Examdisease - ANS-a disturbance to the normal function or structure of an organism. Can include
starvation and trauma.
epizootic - ANS-a disease that appears at an unexpected rate, synonymous with epidemic in
humans
White Nose Syndrome - ANS-a fungal infection that dehydrates hibernating bats, causing them
to wake too early in search of water and food and they die
infectous disease - ANS-disease caused by pathogen transmitted from one person to another
pathogen - ANS-A disease causing agent
Chronic Wasting Disease - ANS-an untreatable and fatal brain and nervous system disease
found in deer, elk and moose. Protein folding
noninfectious disease - ANS-A disease that cannot spread from one individual to another
reservoir - ANS-any living or nonliving substance that may perpetuate a pathogen in nature
reservoir host - ANS-a host that acts as a reservoir for the pathogen, but does not suffer ill
effects from the disease
host - ANS-an organism in or on which a parasite lives
vector - ANS-organism, such as a mosquito or tick, that transfers pathogens from one host to
another
Bird flu - ANS-also called avian influenza, it is a viral disease carried by birds; this virus spreads
by water, air and soil; it is dangerous to humans because our immune system does not have
antibodies that can beat this virus
zoonosis - ANS-An infectious disease that is transmissible from animals to humans.
west nile virus - ANS-spread to humans by the bite of an infected mosquito
zebra mussels - ANS-are an invasive exotic species that clogs water intake pipes at factories,
power plants, and wastewater treatment facilities
, brown tree snakes - ANS-accidentally introduced into Guam in 1950; at peak, around 13,000
snakes per square mile; responsible for the extinction of 12 native bird species, several lizards,
bats
Giant African Snail - ANS-an invasive species in Hawaii that has led to the extinction of 15
endemic snail species
argentine ants - ANS-an invasive species that forms huge supercolonies and kills/competes with
other ant species, which causes a lack of food
morphological changes - ANS-The way that some native species respond in order to compete
against invasive species.
What determines whether a species becomes invasive? - ANS-1. A pathway of invasion
2. Any path that can transport species beyond their native range
propagule pressure - ANS-a composite measure of the number of individuals of a species
released into a region to which they are not native
unintentional introduction - ANS-An introduction of nonindigenous species that occurs as the
result of activities other than the purposeful or intentional introduction of the species involved,
such
as the transport of nonindigenous species in ballast or in water used to transport fish, mollusks
or crustaceans for aquaculture or other purposes.
intentional introduction - ANS-the act of deliberately bringing a species into a region it did not
originate in, such as with agricultural animals, fish, and pets
Burmese Python - ANS-these reptiles were both accidentally and intentionally introduced in the
everglades in Fl. They are hard to find and kill, and they reproduce rapidly. They have huge
appetites and they are competing with a keystone species, the alligator.
greenhouse effect - ANS-Natural situation in which heat is retained in Earth's atmosphere by
carbon dioxide, methane, water vapor, and other gases
range of tolerance - ANS-Range of chemical and physical conditions that must be maintained
for populations of a particular species to stay alive and grow, develop, and function normally
phenology - ANS-the timing of seasonal events
Climate change and precipitation - ANS-1. Changes to disturbance patterns (floods, drought,
erosion)
2. Habitat and species loss
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