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Most photosynthesis in the open ocean occurs in the
euphoric zone
which of the following would be characteristics of a eutrophic lake
well-supplied with nutrients for producers
increasing stress levels on biomes would result on all of the following except
increased crop production
which of the following would be described as having ample rainfall or moisture from fog, large with conifers such as stika spruce and douglas fir
temperate rain forest
coastal marine ecosystem consisting of at least 60 species of plants that grow underwater in shallow marine and eustarine areas along most continental coastlines are
sea grass beds
"Widely scattered clumps of trees, warm temperatures year-round, alternating dry and wet seasons, with herds of herbivores" are the characteristics of which of the following?
savanna
Scientists expect human-enhanced global warming to do all of the following except
lower sea levels
Biomes are characterized by certain types of
climate and dominant plant life
Although only a small percentage of the ocean floor, coral reefs provide all the following benefits except
providing significant free oxygen
the key factors determining the types and numbers of organisms found in the various layers of both freshwater and marine systems include all of the following except
parasitism
All of the following are parts of the freshwater aquatic life zones except
mangrove forests
Wide, slow-moving rivers containing lots of particulate matter (silt) would be typical of what aquatic life zone?
floodplain zone
the deepest part of the ocean
abyssal zone
In certain open sea areas winds, ocean currents, and other factors cause water to come up from the depths to the surface bringing nutrient from the ocean bottom. This process is called a(n)
upwelling
The ocean zone that makes up less than 10% of the world's ocean area, yet contains 90% of all the marine species, is the
coastal zone
if your fish for trout you would most likely to seek out which part of a stream
source zone
Treeless, bitterly cold most of the year, winters are long and dark, low-growing plants, and permafrost are the characteristics of which of the following?
tundra
on a visit to a natural history museum you are shown a burrow-dwelling small animal with thick fur. You predict the animal came from
Arctic tundra
Oysters, clams, and lobsters would be part of which of the following?
benthos
Desert soils take hundreds of years to recover from disturbances because of all of the following except
high soil bacteria activity
Tropical rain forests are not good for clearing to grow crops or animals, primarily because they are low in which of the following
soil nutrients
which of the following does not belong with the others
tropical rain forests
Fish adapted to cool, dark waters in lakes are found in the zone called
profundal zone
which of the following is the big disadvantage of living in a chaparral region
fire hazard
which of the following would be a characteristic of profunal zones
low oxygen levels
Organisms in this area must be able to avoid being swept away, crushed by waves, or being left high and dry at low tides, and must survive daily or seasonal salinity and temperature changes.
intertidal zone
coral reefs are being damaged and destroyed by all except
under fishing
prevailing winds are the result of what
rotation of earth on its axis
If you are walking through a forest dense with oak and hickory trees and thick with leaf litter underfoot, you would assume you are in a
temperate deciduous forest
in lakes, the nutrient-rich water near the shore is part of the
littoral zone
How much of the population of the united states lives at or near a coast
more than 50%
most of the nutrients in the tropical rain forests are found in the
living organisms
which of the following climate zones described as not extreme with the four seasons
temperate
the rain shadow effect refers to
moister conditions on the windward side of mountain ranges
Estuaries and their associated coastal wetlands, which are coastal land areas covered with water all or part of the year, and include all of the following except
euphoric zone
which of the following is not an adaptation of the desert plants for their environment
toxins in their streams to discourage being eaten
eutrophication, photosynthetic bacteria may be responsible for how much of the primary productivity near the ocean surface
70%
which of the following does alpine tundra receive in larger amounts than arctic tundra
sunlight
Which of the following is primary limiting factor that controls the vegetative character of a biome
precipitation
The term greenhouse effect describes
the trapping of heat energy by molecules in the atmosphere
Which of the following would not be true of rain forests
low net primary productivity
on a fishing boat, someone catches a swordfish. As a biologist, you would consider this organism a type of
nekton
four of the following are ecological and economic services provided by inland wet lands; one is not. Choose the one that is NOT
stopping the recharge of groundwater aquifers
which of the following statements about oceans is NOT true
ocean currents flow counter clockwise in the northern hemisphere
the zone in which you would expect to find deposit feeders along with oysters, clams, and sponges is the
abyssal zone