O
ANSWER Which soil horizon is most influenced by climate?
B
ANSWER Which of the following levels of organization is/are correctly ordered?
A) population, ecosystem, landscape, individual, interaction
B) individual, population, interaction, community, ecosystem
C) biosphere, landscape, individual, community, interaction
D) ecosystem, landscape, region, interaction, population
E) None of the choices are correct.
C
ANSWER Which of the following rivers would have the highest salinity?
A) Columbia River
B) Rio Negro
C) Pecos
,D) They all have equally low salinity levels.
E) They all have equally high salinity levels.
B
ANSWER Which of the following vertical aquatic zones is correctly ordered?
A) bathypelagic, mesopelagic, epipelagic, abyssal, hadal
B) epipelagic, mesopelagic, bathypelagic, abyssal, hadal
C) abyssal, bathypelagic, hadal, mesopelagic, epipelagic
D) epipelagic, bathypelagic, mesopelagic, hadal, abyssal
E) mesopelagic, abyssal, epipelagic, hadal, bathypelagic
A
ANSWER Which of the following are mismatched?
A) psychrophile: salt-loving microbe
B) thermophile: heat-loving microbe
C) poikilotherm: ectotherm
D) homeotherm: endotherm
,E) None of the choices are correct.
E
ANSWER The arctic and alpine cushion plants and the Camnula grasshopper both use
__________________ to aid in thermoregulation.
A) countercurrent heat exchange mechanisms
B) endothermic methods
C) increased water retention
D) torpor
E) dark pigmentation
C
ANSWER Tropical dry forests are located between
A) 0° and 10° north and south latitudes.
B) 0° and 25° south latitude.
C) 10° and 25° north and south latitudes.
D) 10° and 25° south latitude.
, E) None of the choices are correct.
A
ANSWER Aquatic organisms whose ionic concentration of their body fluids exceeds that of
their surroundings are
A) hyperosmotic.
B) hypoosmotic.
C) isoosmotic.
D) osmotic.
E) None of the choices are correct.
B
ANSWER If a person were to place a marine fish into a fresh water lake, water would diffuse
A) up its concentration gradient and enter the fish.
B) down its concentration gradient and enter the fish.
C) down its concentration gradient and exit the fish.
D) up its concentration gradient and exit the fish.