Name(s):
Date:
Per:
Objective: To observe the structure and function of the various parts of a perfect
flower.
Materials (per group):
 One flower
 A piece of paper towel
 A roll of Scotch tape
 Scissors (optional)
 An Organisms Book (page 108)
Procedure:
1. Obtain a flower and place it on the paper towel.
2. Observe the structures and the organization of the flower. Identify the parts of the
pistil and stamen.
3. Carefully start to pull the flower apart making sure not to crush the various parts.
4. Place the parts in the appropriate boxes on back and tape them to the lab report.
5. Record the gender (female or male) of the flower part if it makes sense.
6. Write the function of the flower part in the bottom of the box.
7. Clean up your materials (the flowers and the paper towels can be composted) and
answer the questions on back in complete sentences.
8. Once you are finished find something quiet to work on in your seat.
Page 108 will be helpful in identifying the flower parts.
Flower Petal
Flower Sepal
Petal
Gender:
Sepal
Gender:
Function:
Function:
Parts of the Pistil
Parts of the Stamen
Stigma
Gender:
Anther
Gender:
Function:
Function:
Style
Gender:
Filament
Gender:
Function:
Function:
Ovary
Gender:
Pollen
Gender:
Function:
Function:
Questions: (Be sure to answer in complete sentences.)
The material on pages 116 to 119 will be helpful with this topic.
1. Which of the 4 main classification groups do plants with flowers belong to?
2. What are some ways that pollen can be transferred from the anther to the stigma?
3. What does the ovary of a flower turn into once it is fertilized?
4. Explain the difference between a perfect flower and an imperfect flower.