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Chapter Questions
Which of these are characteristics of land plants?a. multicellular with specialized tissues and organsb. photosynthetic and contain chlorophylls a and bc. protect the developing embryo from desiccationd. have an alternation-of-generations life cyclee. All of these are correct.
Label this diagram of alternation-of-generations life cycle.
In the moss life cycle, the sporophytea. consists of leafy, green shoots.b. is the heart-shaped prothallus.c. consists of a foot, a stalk, and a capsule.d. is the dominant generation.e. All of these are correct.
In bryophytes, sperm usually move from the antheridium to the archegonium bya. swimming.b. flying.c. insect pollination.d. wind pollination.e. bird pollination.
A small, upright plant that resembles a tiny, upright pine tree with club-shaped strobili and microphylls is aa. whisk fern.b. lycophyte.c. conifer.d. horsetail.e. fern.
Microphyllsa. have a single strand of vascular tissue.b. evolved before megaphylls.c. evolved as extensions of the stem.d. are found in lycophytes.e. All of these are correct.
How are ferns different from mosses?a. Only ferns produce spores as dispersal agents.b. Ferns have vascular tissue.c. In the fern life cycle, the gametophyte and sporophyte are both independent.d. Ferns do not have flagellated sperm.e. Both b and c are correct.
Ferns havea. a dominant gametophyte generation.b. vascular tissue.c. seeds.d. Both a and b are correct.e. Choices a, b, and c are correct.
Which of these is found in seed plants?a. complex vascular tissueb. pollen grains that are not flagellatedc. retention of female gametophyte within the ovuled. roots, stems, and leavese. All of these are correct
Gymnospermsa. have flowers.b. are eudicots.c. are mono cots.d. produce fruit.e. reproduce by seeds
In the life cycle of the pine tree, the ovules are found ona. needlelike leaves.b. seed cones.c. pollen cones.d. root hairs.e. All of these are correct
Which of these pairs is mismatched?a. anther—produces microsporesb. carpel—produces pollenc. ovule—becomes seedd. ovary—becomes fruite. flower—is a reproductive structure