BIO 320 ECOLOGY EXAM 3 2025 | ALL QUESTIONS
AND CORRECT ANSWERS | GRADED A+ | VERIFIED
ANSWERS | LATEST EXAM (JUST RELEASED)
Marine life that is caught but is unwanted and discarded is referred to as
a) disposable
b) excess
c) bycatch
d) refuse - (ANSWER)c) bycatch
Variation in species richness of terrestrial species in North America correlates
most strongly with estimates of
a) actual or potential evapotranspiration.
b) annual temperature.
c) solar radiation.
d) precipitation. - (ANSWER)a) actual or potential evapotranspiration.
Species accumulation curves are used to
a) estimate a total population
b) estimate species evenness
c) estimate species diversity
d) estimate species birth rates - (ANSWER)c) estimate species diversity
The number of species of living organisms on the planet is probably closest to
,a) 100,000.
b) 1,000,000.
c) 10,000,000.
d) 100,000,000. - (ANSWER)c) 10,000,000.
The harvesting of a natural resource based on sustainable yield applies to
a) renewable resources.
b) nonrenewable resources.
c) perpetual resources.
d) both renewable and nonrenewable resources. - (ANSWER)a) renewable
resources.
In the article led by Robert Costanza that was included in class discussion, what
was being monetized?
a) the impact of climate change
b) the renewable energy industry
c) hunting licenses
d) ecosystem services - (ANSWER)d) ecosystem services
In the film "Bag It", what was the dominant stated source of ocean-going trash?
a) Runoff from land
b) Cruise ships
, c) Coastal plastic manufacturing facilities d) Natural petroleum seeps -
(ANSWER)a) Runoff from land
In the Radiolab episode "Worth", what was the example presented in which
humans performed the job of an ecosystem element?
a) pollenation
b) pest control
c) Spring snowmelt
d) Amelioration of tidal surge - (ANSWER)a) pollenation
Biodiversity "hotspots", as defined by the IUCN, considers which two factors as
important to making the designation?
a) Diversity and rarity
b) Diversity and human impact
c) Human impact and ecosystem value
d) Resilience and diversity - (ANSWER)b) Diversity and human impact
Clearing of tropical dry forests has been primarily for
a) expansion of cities.
b) crop production and cattle grazing.
c) timber needs.
d) large-scale mining operations. - (ANSWER)b) crop production and cattle
grazing.
AND CORRECT ANSWERS | GRADED A+ | VERIFIED
ANSWERS | LATEST EXAM (JUST RELEASED)
Marine life that is caught but is unwanted and discarded is referred to as
a) disposable
b) excess
c) bycatch
d) refuse - (ANSWER)c) bycatch
Variation in species richness of terrestrial species in North America correlates
most strongly with estimates of
a) actual or potential evapotranspiration.
b) annual temperature.
c) solar radiation.
d) precipitation. - (ANSWER)a) actual or potential evapotranspiration.
Species accumulation curves are used to
a) estimate a total population
b) estimate species evenness
c) estimate species diversity
d) estimate species birth rates - (ANSWER)c) estimate species diversity
The number of species of living organisms on the planet is probably closest to
,a) 100,000.
b) 1,000,000.
c) 10,000,000.
d) 100,000,000. - (ANSWER)c) 10,000,000.
The harvesting of a natural resource based on sustainable yield applies to
a) renewable resources.
b) nonrenewable resources.
c) perpetual resources.
d) both renewable and nonrenewable resources. - (ANSWER)a) renewable
resources.
In the article led by Robert Costanza that was included in class discussion, what
was being monetized?
a) the impact of climate change
b) the renewable energy industry
c) hunting licenses
d) ecosystem services - (ANSWER)d) ecosystem services
In the film "Bag It", what was the dominant stated source of ocean-going trash?
a) Runoff from land
b) Cruise ships
, c) Coastal plastic manufacturing facilities d) Natural petroleum seeps -
(ANSWER)a) Runoff from land
In the Radiolab episode "Worth", what was the example presented in which
humans performed the job of an ecosystem element?
a) pollenation
b) pest control
c) Spring snowmelt
d) Amelioration of tidal surge - (ANSWER)a) pollenation
Biodiversity "hotspots", as defined by the IUCN, considers which two factors as
important to making the designation?
a) Diversity and rarity
b) Diversity and human impact
c) Human impact and ecosystem value
d) Resilience and diversity - (ANSWER)b) Diversity and human impact
Clearing of tropical dry forests has been primarily for
a) expansion of cities.
b) crop production and cattle grazing.
c) timber needs.
d) large-scale mining operations. - (ANSWER)b) crop production and cattle
grazing.
