PBS
Nova Online: How Cells Divide, Mitosis vs. Meiosis
Slideshow of mitosis and meiosis side-by-side. It is a summation of the two processes and the differences between them are clear.
Cold Spring Harbor Laboratory
Dna Interactive: Manipulation
Once the code was discovered, how could DNA be manipulated, what tools would be needed to make use of DNA. These are some questions answered in this interactive website.
Estrella Mountain Community College
Estrella Mountain Community College: Flower Structure
Site covers all aspects of plant reproduction such as life cycles, angiosperms and flowers. Provides links to other sites to aide in research.
PBS
Pbs Learning Media: Duck Development
This video segment from NOVA: "The Shape of Things" follows the growth of a duck embryo, from a single fertilized egg cell to a complex, hatching duckling. [2:43]