chapter 56 biology
which of the following is a characteristic of desert plants
adaptations that conserve water
Adaptations found in inhabitants of the rocky intertidal zone include:
an anchor or some other means of attachment
what environment is characterized by high nutrient inputs and by relatively great fluctuations in salinity and temperature
an estuary
sponges and brittle stars are members of the ____ category of organisms
benthos
climates characteristic of the mediterranean region are also common in
california
which statement about earths biomes is false?
deserts have less rainfall due to their distance from the ocean
an ____ is the transition zone where two ecosystems meet and intergrade
ecotone
the united states is part of the Palearctic realm
false- Nearctic
the term nekton refers to bottom-dwelling organisms in an aquatic ecosystem
false- benthos
the limnetic zone is the shallow-water area along the shore of a lake or pond
false- littoral
an example of a freshwater wetland is an estuary
false- swamp, march
the boreal forest biome does not contain deciduous trees
false-does
the southern hemisphere has no equivalent of the boreal forest of the north. why?
it has no land in the corresponding latitudes
the ____ contains the greatest volume of ocean water
oceanic province
microscopic algae typically fall under the classification of
phytoplankton
in tropical and temperate regions, ____ becomes more significant than temperature
precipitation
Near the poles, what is generally the overriding climate factor?
temperature
which of the following characterisitics applies to biomes
they encompass interacting landscapes
which biome has the longest growing season ?
tropical rain forest
a layer of permanently frozen ground is called permafrost
true
small lakes and ponds usually lack a profundal zone
true
the transition zone between biomes is call an ecotone
true
_____ is characterized by cold temperatures, little precipitation, and few or no trees
tundra
for coral reefs to form in tropical waters, it is necessary for the coral animals to live in symbiosis with
zooxanthellae
