BIO 182 FINAL EXAM QUESTIONS
AND ANSWER; LATEST UPDATED
VERSION 2026; ALREADY GRADED
A+
Describe boreal forests - correct answer- -Forms in
sub-arctic
-Dominated by highly cold tolerant trees
-Very cold winters and short, cool summers
-Low precipitation
-NPP is low
Describe grasslands - correct answer- -Conditions are
too dry to enable tree growth
-Moderate temps and rainfall
-NPP lower than forest communities
Describe subtropical deserts - correct answer- -Very
low rainfall
-High annual temps
-Low NPP
,Describe temperate forests - correct answer- -Trees
are leafless in winter
-Rain is moderately high
-Freezing temps in winter
-NPP is moderate
Describe the arctic tundra - correct answer- -
Dominated by small shrubs
-Very low temps
-Very low annual rainfall
Describe tropical forests - correct answer- -Dominated
by plants with broad leaves
-Known for species diversity
-Warm temps
-High annual rainfall
-Highest NPP
, Environmental impacts of agricultural advancements -
correct answer- -Irrigation causes the depletion of
ground water
-Fertilizers cause Nitrogen pollution of lakes, oceans and ground
water
How are mass extinctions detected and how many have been
detected? - correct answer- They're detected
geologically, and there have been 5 detected
How are temps determined by solar irradiance and the tilt of the
Earth? - correct answer- -Regions at or near the
equator receive more sunlight than regions that are close to the
poles due to the Earth's tilt
-Solar irradiance causes seasons in the Northern and Southern
hemispheres
How can an exotic species contribute to extinction? - correct
answer- -An introduction of a new species, that could
possibly become an invasive species
-An exotic species could carry pathogens
AND ANSWER; LATEST UPDATED
VERSION 2026; ALREADY GRADED
A+
Describe boreal forests - correct answer- -Forms in
sub-arctic
-Dominated by highly cold tolerant trees
-Very cold winters and short, cool summers
-Low precipitation
-NPP is low
Describe grasslands - correct answer- -Conditions are
too dry to enable tree growth
-Moderate temps and rainfall
-NPP lower than forest communities
Describe subtropical deserts - correct answer- -Very
low rainfall
-High annual temps
-Low NPP
,Describe temperate forests - correct answer- -Trees
are leafless in winter
-Rain is moderately high
-Freezing temps in winter
-NPP is moderate
Describe the arctic tundra - correct answer- -
Dominated by small shrubs
-Very low temps
-Very low annual rainfall
Describe tropical forests - correct answer- -Dominated
by plants with broad leaves
-Known for species diversity
-Warm temps
-High annual rainfall
-Highest NPP
, Environmental impacts of agricultural advancements -
correct answer- -Irrigation causes the depletion of
ground water
-Fertilizers cause Nitrogen pollution of lakes, oceans and ground
water
How are mass extinctions detected and how many have been
detected? - correct answer- They're detected
geologically, and there have been 5 detected
How are temps determined by solar irradiance and the tilt of the
Earth? - correct answer- -Regions at or near the
equator receive more sunlight than regions that are close to the
poles due to the Earth's tilt
-Solar irradiance causes seasons in the Northern and Southern
hemispheres
How can an exotic species contribute to extinction? - correct
answer- -An introduction of a new species, that could
possibly become an invasive species
-An exotic species could carry pathogens
