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True/False
Indicate whether the sentence or statement is true or false.
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1. |
Land plants have a complex life cycle that involves an alternation of generations between a haploid gametophyte and a diploid sporophyte.
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2. |
The sporophyte of a nonvascular plant is larger and lives longer than the gametophyte.
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3. |
The life cycle of nonvascular plants involves alternation of generations.
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4. |
Mosses, liverworts, and hornworts all are generally found in moist habitats.
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5. |
Nonvascular plants have true leaves but lack true stems and roots.
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6. |
Mosses and ferns no longer require the presence of a film of water for reproduction.
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7. |
Ferns need water to reproduce because their sperm must swim to eggs.
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8. |
Mosses are called pioneer plants because they can promote the development of new communities in barren areas that have been burned or destroyed by humans.
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9. |
Sphagnum moss is used in potting and gardening soils because of its ability to encourage water drainage.
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Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
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10. |
The ancestors of today’s land plants were probably
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a.
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brown algae.
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c.
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green algae.
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b.
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red algae.
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d.
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lichens.
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11. |
The challenges faced by early land plants included
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a.
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conserving water.
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b.
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reproducing on land.
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c.
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absorbing minerals from the rocky surface.
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d.
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All of the above
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12. |
The diploid form in a plant’s life cycle is called the
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a.
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sporophyte.
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c.
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parental generation.
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b.
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gametophyte.
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d.
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alternate generation.
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13. |
The haploid form in a plant’s life cycle is called the
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a.
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sporophyte.
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c.
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parental generation.
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b.
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gametophyte.
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d.
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alternate generation.
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14. |
Which of the following is not a bryophyte?
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a.
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moss
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c.
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hornwort
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b.
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liverwort
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d.
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fern
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15. |
Which of the following is not characteristic of all nonvascular plants?
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a.
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They produce seeds.
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b.
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They have an alternation of generations lifestyle.
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c.
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They produce spores.
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d.
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They require water for sexual reproduction.
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16. |
The water-retaining ability of sphagnum moss makes it ideal for
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a.
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using in garden-soil mixes.
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b.
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use in packing bulbs and flowers for shipping.
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c.
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use in houseplant soils.
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d.
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All of the above
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17. |
Similarities shared by monocots and primitive dicots suggest that
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a.
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monocots and dicots evolved independently.
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b.
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monocots were on Earth long before dicots.
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c.
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monocots evolved from dicots.
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d.
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dicots evolved from monocots.
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