Chapter Quiz


1	The tundra is exceptionally fragile, with vegetation that becomes easily compressed and damaged.
		A)	True
		B)	False


2	The taiga is also referred to as the mountain forest.
		A)	True
		B)	False


3	The taiga is dominated by broad-leaved deciduous trees, which can withstand subfreezing temperatures associated with snow.
		A)	True
		B)	False


4	In the temperate deciduous forest, plants on the forest floor flower before the trees leaf out and form a thick canopy.
		A)	True
		B)	False


5	Tropical rain forests are characterized by conspicuous altitudinal zonation of species.
		A)	True
		B)	False


6	Of all the biomes, the tropical rain forest has the highest diversity of trees.
		A)	True
		B)	False


7	What are blowouts?
		A)	trees which are blown over by wind
		B)	barren patches of ground left exposed after tundra vegetation is blown away
		C)	large flooded areas along the river banks in grasslands
		D)	sand dunes which are created by high winds in deserts


8	Which biome is characterized by the presence of permafrost?
		A)	taiga
		B)	temperate deciduous forest
		C)	tundra
		D)	mountain forest


9	Vegetation in the taiga is dominated by
		A)	spruce, fir, and pine.
		B)	deciduous trees.
		C)	broad-leaved evergreen trees.
		D)	grasses.


10	What is the name given to temporary accumulations of rain water that evaporate after the rain comes to an end?
		A)	rain forests
		B)	hydroseres
		C)	vernal pools
		D)	none of the above


11	Naturally-occurring grasslands are found
		A)	on the eastern edge of continental masses.
		B)	toward the interior of continental masses.
		C)	on the western edge of continental masses.
		D)	above the Arctic Circle.


12	Which biome has been converted to the cultivation of cereal crops?
		A)	desert
		B)	mountain forest
		C)	taiga
		D)	grassland


13	Which biome is characterized by having a large number of CAM plants?
		A)	tropical rain forest
		B)	desert
		C)	mountain forest
		D)	tundra


14	Which of the following best describes desert vegetation?
		A)	thick cuticle and water-storage tissues
		B)	predominately mosses and lichens
		C)	perennial and annual grasses
		D)	vines and epiphytes


15	Which of the following is a characteristic of fire-adapted species found in the mountain forest biome?
		A)	thick protective bark
		B)	cones that are opened by fire
		C)	seeds that only germinate after exposure to fire
		D)	all of the above
		E)	none of the above


16	Which of the following best describes the climate of the tropical rain forest?
		A)	high temperatures and little precipitation
		B)	precipitation throughout all twelve months
		C)	Mediterranean climate
		D)	periods of high precipitation followed by periods of low precipitation

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