Download Name: Unit Two: Flowers and Plant Life Cycles Review Worksheet

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Unit Two: Flowers and Plant Life Cycles Review Worksheet
Answer the following questions based upon your notes in class and activities in class.
Flowers and Seed Dispersal
1. The outermost circle of floral parts is the _______________________.
2. Name two functions of the sepal:
3. Name a function of the petal:
4. Why are petals also considered sterile leaves?
5. Describe the structure and function of the stamen in reproduction.
6. Describe the structure and function of the carpel in reproduction.
7. Label the flower structure.
8. Describe two ways in which seeds can be dispersed.
Plant Life Cycles: Mosses and Ferns
9. What is meant by the term alteration of generation?
10. Define the term protonema:
11. Which do we see when looking at moss? Gameteophyte or Sporophyte
12. Which part of the moss life cycle produces spores?
13. Label the moss life cycle with the following terms: sporophyte, diploid, haploid, gametophyte
14. What are three things that are common between a fern and moss life cycle?
15. What are three differences between a fern and moss life cycle?
16. When we look at a fern, what stage of life are we most commonly seeing?
17. Label the fern diagram with the following terms: sporangium, zygote, sporophyte, gametophyte, spores
Plant Life Cycle of Gymnosperm and Angiosperm
18. Is a mature pine tree the sporophyte or the gameotophyte? How many sets of chromosomes does it have?
19. When it comes to reproduction, what is the difference between the seed cone and the pollen cone.
20. Which type of cone produces the female gametophyte? Where would you find the ovules?
21. Draw a basic picture of the gymnosperm life cycle showing the following: mature sporophyte, pollen cone, seed
cone, female gametophyte, pollen tube, zygote, embryo, seed coat, seedling
22. Draw a basic picture of the angiosperm life cycle showing the following: mature sporophyte, anther, pollen grain,
stigma, pollen tube, style, pollen tube, zygote, embryo, seed coat, germinating seed, egg
23. What is the difference between gymnosperm and angiosperm? Give an example of each.
24. _______________ create pollen in the male gametophyte.
25. The female gametophyte develops in the _______________ of the flower.
26. Pollen lands on the ___________, travels down the _____________, and fertilizes the ____________.
27. Describe the formation of a fruit.
28. Define the following types of fruit and give an example of each: simple, aggregate, multiple.
29. A bulb is not a ___________ or __________.
30. A bulb is an entire plant, resting _________________ underground
31. Bulbs contain the precursors to ______________, ______________, and ___________________ that will mature
when conditions are right.
Pollination
32. Create a picture flow chart showing how a pollen grain fertilizes a flower.