7.03 Flower Dissection

You can also use this downloadable version

Students must complete the Red section.

Material list:

• large flowers (ex. hibiscus) *You may want to have 2 or 3 of the flowers in case you mess up one.
• cutting board
• scalpel or razor blades or kitchen knife (BE CAREFUL)
• magnifying glass
• camera

Procedure:
See Web Resource.

Note: Take a picture of the flowers before you dissect them. You will then take a picture of a carefully dissected flower. You will include both images in your report.

NOTE: You may need to use your camera for pictures in the next lesson, so check your options in 7.04 so that you don’t develop your pictures until you finish the next lesson.

Analysis and Conclusion:  (25 points)

1. Name 2 ways that cross-fertilization of flowers might happen (besides by the wind)?

2. Why do you suppose the petals of flowers are so colorful, fragrant, uniquely shaped?

3. How many stamens do you see in your flower?
   
   
   
   
4. Why do you think the stigma is sticky?
   
   
   

5. Please label the following flower parts. (The first one is labeled for you.)

	Petal
	Word Bank Anther Filament Ovary Stigma Style

6. Paste a picture of your flower before and after dissection to your lab report.