
Land Plants • 1. What two major clades was green algae split into? • 2. Describe the life cycle of land plants. • 3. What products come from meiosis of on 2n cell?
Answers • 1. Chlorophyte and Charophyte • 2. Haplodiplontic • 4 (1n) spores
Land Plants • 4. Through what process are gametes produced? • 5. Is a gamete haploid or diploid? • 6. Which of the two major clades of green algae are more closelly related to land plants?
Answers • 4. Mitosis • 5. Haploid • 6. Charophytes
Land Plants • 7. Name four features that are needed by plants in order for them to live on land. • 8. This feature limits gas exchange essential for respiration and photosynthesis in plants. • 9. What feature of plants allows for more surface area for photosynthesis to occur?
Answers • 7. Vascular system, supportive structures, water proofing, reproductive adaptation • 8. Waxy cuticle • 9. Leaves
Land Plants • 10. Is a sporophyte haploid or diploid? • 11. Of the major plant groups, which ones lack vascular tissue, true roots, leaves and stems? • 12. In Bryophytes, explain the relationship between sporophytes and gametophytes.
Answers • 10. Diploid • 11. Bryophytes • Found in moist habitats, are very small and are not highly adapted • 12. Sporophytes are attached to and are nutritionally dependent on the gametophytes.
Land Plants • 13. Give an example of a Bryophyte. • 14. Name the structure of the female gametangia in mosses. • 15. Name the structure of the male gametangia in mosses.
Answers • 13. Moss • 14. Archegonia • 15. Antheridia
Now, make some of your own! • I covered slides 1-30 on the November 17th Power Point • Cover slides 31-57 with a partner and try to come up with some exam questions!