Multiple Choice Quiz


1	Ecologists are:
		A)	biologists who use field instead of laboratory data
		B)	all linked in trying to understand future climate change
		C)	focused on the interactions of humans with the physical landscape
		D)	interested in natural history and experiments


2	Margaret Davis learned that:
		A)	edges can be described as ecotones
		B)	Appalachian mountain forests were coniferous 18,000 years ago
		C)	chestnut pollen appears in all lake sediments from the eastern United States
		D)	woodlot phase transitions are affected by human intervention


3	Tropical rain forest trees:
		A)	have calloused roots that penetrate deep into the soil
		B)	support epiphytes that feed the trees
		C)	host five species of warblers that use the canopy
		D)	were cut by Likens and Bormann to study nutrient loss


4	Energy budgets of bumblebees can be used to infer:
		A)	how long they must fly in cold temperatures
		B)	what kinds of conifers they should visit
		C)	tradeoffs between heating their thoraxes or burning oxygen
		D)	maximum biodiversity inside the Arctic Circle


5	Warblers:
		A)	are spatially segregated while foraging
		B)	will act aggressively toward each other
		C)	can occupy different feeding zones in different geographical locations
		D)	all of the above


6	Nutrients in the Hubbard Brook forest were primarily stored in:
		A)	the soil
		B)	tree foliage
		C)	stream basins
		D)	adventitious roots


7	According to Milne:
		A)	global change is likely to be first seen in low gradient ecotones
		B)	woodlot edge commonly exceeds field edge
		C)	a fragmented landscape discourages warbler foraging
		D)	metabolic chambers provide estimates of oxygen use


8	Oxidation:
		A)	converts carbon into a gas
		B)	yields sucrose molecules
		C)	releases energy from sugars and fats
		D)	occurs fastest at 30 degrees C


9	True or False: MacArthur's work on warblers is notable because all the data fit his hypothesis.
		A)	True
		B)	False


10	True or False: Epiphytes are parasites.
		A)	True
		B)	False

2002 McGraw-Hill Higher Education
Any use is subject to the Terms of Use and Privacy Notice.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.