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| Chapter 18: Plant Reproduction |
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Dichotomous
Key Directions
This online dichotomous key will help you identifying conifers. Find some pine needles in your area and try to identify the species using this key.
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American Fern Society
Visit this site for information on the history and ecology of ferns. How many species of ferns exist today? What is the primary means of reproduction in ferns?
American Conifer
Society
Learn about the different forms of conifers on this site, which provides information on their development, conservation, and propagation. What does the name conifer mean?. What does
a globulose conifer look like? Prepare a report on this for the rest of the class.
The
Naked Seeds of Pines
Visit this site for a description of reproduction in pines. What makes the woody trunk of a pine? View the art showing the development of a seed. Find debris from conifers in your area
and identify their parts according to the information on this site.
Monocots
versus Dicots
Visit this site to learn more about the differences between monocots and dicots. What is the primary basis of distinguishing the two classes of angiosperms? What constitutes a flower
"part"?
Flower
Structure
Follow the link to this site to learn about the parts of flowers and how they reproduce. What is the lowest whorl on the receptacle called? What is parthenocarpic?
MendelWeb: Flower
Structure
Visit this site to learn about flower structures. View the drawing that illustrates the basic structure of a flower, and find out which part receives and retains pollen grains. Make
a model of a flower and identify all the parts.
The
Angiosperm Life Cycle
Visit this site for a description of the life cycle of flowering plants. View the slides showing various parts of a lily flower. What is a tube cell nucleus and where would it be found?
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Seed Banking
These are the pages for the Millennium Seed Bank Project and the Kew Seed Bank at Wakehurst Place. Write an entry in your science journal explaining why seed banks are important.
| Unit 4: Foundations of Life |
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Molecular
Modeling
This site shows various models of molecules, which can be manipulated the help of the Chemscape Chime Plug-in. Visit this site and explain the importance of having three-dimensional
models.
Chemical Models
This page has illustrations of some different common organic molecules. Visit this site and compare the different ways to model these molecules. Make your own molecules using ball and
stick models.
Plants National Database
The USDA sponsors this site, which provides a database of standardized information on plants. Click on Photo Gallery to view photographs of various categories of plants, including noxious
plants and crops. Use the information on this site to write an article about plants for a class newsletter.
Virtual Garden
Follow the link to this site featuring detailed information for gardeners. Use the information on this site to plant your own class garden.
Internet Directory
for Botany: Images
Access this site and follow the links to view photographs of plants. With a small group, make a computer presentation, identifying various types of plants.
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