1. Plant cells

    Duration: 00.28

    Watch Clip duration: 00.28

    In this clip, the structure of the plant cell is explained.

  2. Plant photosynthesis

    Duration: 01.13

    Watch Clip duration: 01.13

    An animated description of the process of plant photosynthesis.

  3. Plants as a source of food and medicine

    Duration: 02.37

    Watch Clip duration: 02.37

    Examples of a variety of plant species and their uses.

  4. Population size and control - predators and prey

    Duration: 01.22

    Watch Clip duration: 01.22

    In the absence of predators, what happens to the size of a prey population?

  5. Producton of oxygen in plants

    Duration: 04.37

    Watch Clip duration: 04.37

    A recreation of Jan Ingenhousz' experiment demonstrating oxygen production from plants.

  6. Respiration and photosynthesis in plants

    Duration: 01.53

    Watch Clip duration: 01.53

    An introduction to respiration and photosynthesis in plants.

  7. Sachs and the discovery of the chloroplast

    Duration: 03.40

    Watch Clip duration: 03.40

    How modern microscopy enables people to view leaf cells and see how chloroplasts behave.

  8. Size and heat

    Duration: 04.39

    Watch Clip duration: 04.39

    The relationship between an organism’s body size and its metabolic rate.

  9. Skeletal muscles

    Duration: 01.04

    Watch Clip duration: 01.04

    Looking at the role of skeletal muscles in moving parts of the body.

  10. Skin - defend and protect

    Duration: 03.04

    Watch Clip duration: 03.04

    How your skin acts to keep invaders out and water in.