Click the Techie Toolbox for tips and help to make the most of your time on the Web.

Chapter 5: Plant Reproduction

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?

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 1: Interactions in the Living World

The Particle Adventure
Visit this site for an interactive tour of the atom. View the movie and click on the link for an introduction to the fundamental particles and forces. How have scientists’ views of the fundamentals changed over time?

Virtual Chloroplast
Click on the links and follow the instructions to explore the organization of the plant chloroplast. View the movie that shows light absorption.

DNA Structure Movie
At this site you’ll find a movie about the structure of DNA. View the movie, then sketch a diagram of a DNA molecule in your Science Journal.

The Gene Letter
Find out more about how genetic disorders occur by accessing this article. In the case of X-linked recessive disorders, why don’t the sons of affected fathers also have the disorders?