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Testing Your Knowledge
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1. Describe a plant that was or is intermediate between each of the plants in the pairs described below, in terms of evolution.

  • a. algae and the first plants
  • b. bryophytes and vascular plants
  • c. true ferns and angiosperms
  • 2. What do all plant life cycles have in common?

    3. What are two characteristics used to distinguish the major groups of plants?

    4. Describe asexual and sexual reproduction in bryophytes.

    5. List four adaptations that enabled plants to live on land.

    6. How do angiosperms differ from gymnosperms?

    7. Why are angiosperms considered to be successful? What adaptations and factors may have contributed to angiosperm success?

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    Additional Questions

    1. Name a plant that has:

  • a. Archegonia and antheridia
  • b. Gemmae
  • c. Rhizoids
  • d. Rhizomes
  • e. Fronds
  • f. Sori
  • g. Fiddleheads
  • h. Flowers
  • 2. What is the role of lignin in bryophytes and vascular plants?

    3. How are seedless vascular plants similar to bryophytes and how do they differ from them?

    4. Describe the four types of seedless vascular plants.

    5. How did forests in the Jurassic differ from forests today?

    6. Describe the four divisions of gymnosperms.

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