ENWC201 Final Exam with Complete Solutions
niche Answer-the functional role of an organism considered in the environment in which
it lives;
it's "job;" multidimensional
specialist Answer-narrow range; stenothermal
generalist Answer-wide range; eurythermal
logistic growth Answer-sigmoid curv...
niche Answer-the functional role of an organism considered in the environment in which
it lives;
it's "job;" multidimensional
specialist Answer-narrow range; stenothermal
generalist Answer-wide range; eurythermal
logistic growth Answer-sigmoid curve (S in shape); reaches carrying capacity
K Answer-carrying capacity limiting factors help define...
energy pyramid Answer-bottom level is producers
top level is tertiary consumers
most energy is at the bottom least is at the top
two key components to habitat Answer-food and cover
natural selection Answer-the process that determines which individuals will pass on their
genes to the next generation
,ENWC201 Final Exam with Complete Solutions
biomes Answer-have similar climatic qualities that cause species to have
similar adaptations
biodiversity in poles and equator Answer-equator has greater biodiversity than the poles
because the climate is more stable and its also warmer year around allowing for more species to
be created
ecosystem services Answer-• pollination services
• atmospheric and climate services
• direct economical values - agriculture, forestry, fisheries
K strategist Answer-large organisms, occupy stable environments, long lived, produce few
offspring, extensive parental care, low juvenile death rate (rhinos, lions, leopards)
R strategist Answer-small organisms, short-lived, many offspring, exploit unstable
environments, limited parental care, high juvenile mortality (rabbits, mice)
Pleistocene overkill Answer-o Megafauna was not adapted to running away/facing men
o Animals that killed/ate the mega fauna ended up dying from not having any food
Teddy Roosevelt Answer-tripled the size of national forests, set aside first national wildlife
refuge, acres of oil and coal reserves, acres as national monuments, beefed up enforcement
, ENWC201 Final Exam with Complete Solutions
overexploitation Answer-living off the land or seas in a manner that cannot be sustained
largest threat to terrestrial Answer-habitat loss
DDT effects Answer-♣ diabetes
♣ premature birth and low birth rate
♣ developmental delays
♣ Parkinson's
♣ asthma
♣ cancers
propagule pressure Answer-• quantity of arriving organisms
• quality of arriving organisms
• frequency of arriving organisms
pathways of invasion Answer-any path that can transport species beyond their native
range, quantity, quality and frequency of arriving organisms
acid rain Answer--sulfur dioxide, nitrogen oxides
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