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  • Daphnia

    • Video
    Extreme closeup of the cell structure showing the translucent outline of the heart. Caption: Daphnia's heart keeps its circulatory fluid in motion.

    Part of the "The Biology Classics" series. Daphnia are small, planktonic crustaceans. Provides a classic study in arthropod behavior and anatomy. Examines the eye, brain, jaws, intestine, legs (with gills), and heart. Identifies two kinds of eggs: those that hatch directly into female daphnia and resistant eggs that carry the species through periods of freezing and drying.

    (Source: DCMP)

  • Small insect on the tip of a leaf. Caption: Ticks are parasites of birds and mammals.

    Part of the "Branches on the Tree of Life" series. Phylum Arthropoda is the most luxuriant branch on the tree of life. Covers phylum characteristics and three major arthropod classes: Crustaceans (copepods, waterfleas, branchiopods, decapods, and barnacles), Chelicerates (scorpions, pseudoscorpions, spiders, ticks, and mites), and Uniramians (centipedes, millipedes, and insects). Focuses on adaptations, life cycles, and evolutionary relationships in each section.

    (Source: DCMP)

  • Closeup of a mottled brown spider. Caption: arachnids and crustaceans, have a skeleton on the outside

    Part of a series that features a wide variety of video footage, photographs, diagrams, graphics, and labels. For this particular video, students will focus on the two functions of the skeleton: protection and support for the body. Part of the Science Video Vocab series.

    (Source: DCMP)

  • Microscopic view of a transparent roundish organism with a visible face and legs. Caption: a reproductive strategy called parthenogenesis.

    Water fleas are crustaceans, and they are the foundation for the web of life in water ecosystems. They are the most plentiful food source for other water ecosystem organisms. One of nine segments in a series, with all nine available on a DVD.

    (Source: DCMP)