Review the image(s) and answer the following questions.

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1			What evolutionry trend can be seen among the different groups of plants with respect to the alternation of generations?
			A)	With advancement, less time is spent in the diploid stage.
			B)	With advancement, more time is spent in the diploid stage.
			C)	The haploid stage is prominent in angiosperms.
			D)	The diploid stage is dominant in gymnosperms.
2			What process results in germ cell formation in the diploid organism?
			A)	binary fission
			B)	meiosis
			C)	mitosis
			D)	budding

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3			What is the dominant phase of the moss life cycle?
			A)	sporophyte
			B)	gametophyte
			C)	spore
			D)	gamete
4			Why must mosses exist only in moist habitats?
			A)	They lack any vascular conductive tissue.
			B)	Sperm cells must swim to fertilize egg cells.
			C)	These tiny plants have a higher per gram requirement for water than any other plant.
			D)	Both "A" and "B" are correct.

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5			What is the dominant phase of the fern life cycle?
			A)	sporophyte
			B)	gametophyte
			C)	spore
			D)	embryo
6			What gives rise to the heart-shaped gametophyte stage?
			A)	gametes
			B)	haploid spores
			C)	diploid spores
			D)	embryos

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7			Where are the gametophytes of the pine life cycle?
			A)	They are separate, tiny plants on the needles of the pine tree.
			B)	They exist within pine seed.
			C)	They are found on the scales of the closed cones.
			D)	The pine life cycle does not have a gametophyte stage.
8			What evolutionary trend is evident during the progression from mosses to ferns and gymnosperms?
			A)	progressively smaller sporophyte
			B)	progressively smaller gametophyte
			C)	greater importance of genetic recombination
			D)	both "B" and "C"

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9			What portions of the fertilized egg cells of the angiosperm flower become the protective seed coats?
			A)	outer layers of ovaries
			B)	outer layers (integuments) of the ovule
			C)	the sepals
			D)	the receptacle
10			What is the primary purpose of brightly colored petals in the angiosperm flower?
			A)	for identification
			B)	for protection
			C)	to attract insect pollinators
			D)	The primary purpose is for human enjoyment, since these flowers were mostly developed through artificial selection.

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11			What is another name for the female gametophyte, or megagametophyte?
			A)	ovule
			B)	embryo sac
			C)	megaspore mother cell
			D)	functional megaspore
12			What is another name for the male gametophyte, or microgametophyte?
			A)	pollen grains
			B)	microspores
			C)	microspore mother cells
			D)	anther

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13			What regulates the closing of the stomata?
			A)	turgor pressure in epidermal cells
			B)	thickening of the inner wall of the guard cell
			C)	turgor pressure in the guard cells
			D)	light
14			How do guard cells and stomata provide evidence of a circadian rhythm, or biological clock, in plants?
			A)	They tend to open in the light and close in the dark.
			B)	If plants are kept in the dark, the stomata continue to open and close on a 24-hour basis.
			C)	When stomata open, they stay open for exactly the same period of time before closing.
			D)	The location of guard cells depends on the type of habitat in which the plant lives.