NAME________________________ DATE_____ HOUR_____

FLOWER ACTIVITY

MATERIALS NEEDED: Several varieties of flowers, forceps, dissecting scope.

PROCEDURE: MAKE ALL OF YOUR SKETCHES ON THE BACK OF THIS PAPER

1. Observe the plant that your flower came from!
2. Observe your flower!
3. Make a life size sketch of your flower, labeling all of the parts!
4. Look closely at the reproductive parts of your flower under a dissecting scope!
5. Sketch what you observe! Label its parts!
6. Tap some pollen from your flower onto a clean glass slide.
7. Place two drops of water on the slide and cover with a cover slip
8. Observe the pollen under both low and high power!
9. Sketch several pollen grains under both low and high power!
10. Measure the width of a pollen grain!

CONCLUSIONS:

1. Describe the function of the following structures: Sepal, Petal, Pistil, Stamen, Anther, Filament, Stigma, Style, Broad base.

 

 

 

 

2. How many Pistils are there on your flower? _______________
3. How many Stamens are there on your flower?________________

 

4. Do all flowers have the same number of Pistils and Stamens?______________
5. When a fruit develops after fertilization, what part of the flower does it develop from?

 

 

 

 

 

6. How might a plant grower keep a plant from self-fertilizing?

 

 

 

 

 

7. How could I purposely cross-pollinate one plant with another?

 

 

 

8. How do insects aid in plant pollination?

 

 

 

9. Describe the shape of the pollen you observed.