Download 18.1 & 18.2

L18: 18.1-18.2
The Next Generation – part 1
Getting Started:
List
4 ways in which seeds
may be dispersed by plants.
PROCEDURE:
Pages
206-208
DATA:

Directions Enter the appropriate data from
Inquiry 18.1 in the following table.
Seed Pods #
Seed #
Average
(seeds/pod)
DATA ANALYSIS:
 A.
What initiated the formation of the seed
pods?
 B. What do you think determines the
number of seeds found in each pod?
 C. Was it more than mere luck that the
seeds came out of the pods so easily?
Explain.

D. In Lesson 9, you counted the number of Fast
Plants that displayed a purple pigment in their stem
and leaves. You recorded this number in your
science notebook. You pollinated these plants and
harvested their seeds. You chose 36 of these seeds
and set them up for germination in your group’s
petri dish. If all of the seed germinated, how many
of the sprouts do you predict will display the purple
pigment? ______ Explain.
 E. Why do you think some species of plants
produce only one seed in a fruit, while others
produce thousands of seeds?
 F. Of what importance to the plant is the dispersal
of seeds?
Reading:
“Seedless Plants” – pages 209-210
Describe what a plant graft is.
2. How might a plant graft be useful
to humans?
3. In the space to the right, draw a
picture of a grafted plant and
label the rootstock and the scion.
1.
VOCABULARY:
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Dominant
Recessive
Genes
Meiosis
Egg
Sperm
Homozygous
Heterozygous
Genotype
Phenotype
CONCLUSION:
Be
sure to look back @ the
original question.
Use complete sentences.
USE & HIGHLIGHT all
vocabulary words.