Answer Key for Sample Lab Practical 1

1. To have something with which to compare the treatments. (Return to Question 1)

2. T (Return to Question 2)

3. C (Return to Question 3)

4. Abrasives; reflective paint for roads; filtration (Return to Question 4)

5. Chloroplasts and Flagella (Return to Question 5)

6. F (cyanobacteria are prokaryotes -- no chloroplasts!) (Return to Question 6)

7. Chrysophyta (Return to Question 7)

8. Nitrogen-fixation (Return to Question 8)

9. T (Return to Question 9)

10. Rhodophyta (Return to Question 10)

11. Gametophyte (Return to Question 11)

12. Egg (Return to Question 12)

13. F. The moss structure shown is the antheridium (the male gametophyte). (Return to Question 13)

14. Spores (Return to Question 14)

15. B (Return to Question 15)

16. Gametophyte (Return to Question 16)

17. D (Return to Question 17)

18. Gametophyte or Prothallus (Return to Question 18)

19. Dioecious (Return to Question 19)

20. Sporophyte (Return to Question 20)

21. F. The structure is a young, ovulate cone where eggs are produced. (Return to Question 21)

22. Pollen (Return to Question 22)

23. To carry the sperm to the egg. (Return to Question 23)

24. Nutritive resources for the developing embryo (the surrounding tissue is called the nucellus). (Return to Question 24)

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Last updated April 24, 1998.