1. BY 124 REVIEW Exam One

2. Question 1 Review the life cycle of a typical moss plant by filling in the following blanks: The dominant generation is the a)_____. Female gametophytes produce eggs in the b)______. Male gametophytes produce sperm in the c)________. Sperm d)_______ through the damp environment to fertilize the egg. The zygote remains in the archegonium and grows into the e)______, still attached to the female gametophyte. Spores are formed by the process of f)______ in the g)______. When shed, spores develop into the h)_______.

3. Question 2 Adaptations for terrestrial life seen in all plants are chlorophylls a and b cells walls of cellulose and lignin Sporopollenin, protection and nourishment of embryo by gametophyte Vascular tissue and stomata Alternation of generations

4. Question 3 Bryophytes differ from all other land plant groups because Their gametophyte generation is dominant They are lacking in gametangia They have flagellated sperm They are not embryophytes Of all of the above

5. Question 4 If a plant’s life cycle includes both a male and a female gametophyte, the sporophyte plat must be Heterosporous Homosporous Homologous Analogous Megasporous

6. Question 5 [Life cycle of a pine] Describe a pollen cone and the formation of a male gametophyte.

7. Question 6 [Life cycle of a pine] Describe a ovulate cone and the formation of a female gametophyte.

8. Question 7 Name the four whorls of modified leaves that make up a flower.

9. Question 8 What does a seed consist of?

10. Question 9 List the four phyla that are considered gymnosperms

11. Question 10 Where would you find a microsporangium in the life cycle of a pine? Within the embryo sac in an ovule In the pollen sacs in an anther At the base of a sporophyll in a pollen cone On a scale-like sporophyll found in an ovulate cone Forming a seed coat surrounding a pine seed

12. Question 11 In which of the following groups do sperm no longer have to swim to reach the female gametophyte? bryophytes ferns gymnosperms angiosperms Both c and d

14. The synchronization of nutrient development and fertilization resulting from double fertilization

15. Win pollination in conifers

16. The evolution of seeds in both gymnosperms and angiosperms

18. Question 14 Which types of plant cells lack nuclei at functional maturity?

19. Question 15 Starting from the outside, place the letters of the tissues in the order in which they are located in a woody tree trunk. Primary phloem Secondary phloem Primary xylem Secondary xylem Pith Cork cambium Vascular cambium Cork cells

20. Question 16 Explain the contribution of each of the following to the long-distance transport of water: Transpiration: Cohesion: Adhesion: Tension:

21. Question 17 Epiphytes Have haustoria for anchoring to their host plants and obtaining xylem or phloem sap Are symbiotic relationships between leaves and fungi Grow on other plants and obtain nutrients from their hosts Grow on other plants and do not obtain nutrients from their hosts Are able to fix their own nitrogen

22. Question 18 What function does double fertilization serve?

23. Question 19 Name two important messengers in plant hormonal systems.

24. Question 20 What kind of root growth do auxins promote? What kind of charge does auxin have? How are auxins transported in plants?

25. GOOD LUCK STUDYING!