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Duration: 00.28Clip duration: 00.28
In this clip, the structure of the plant cell is explained.
Duration: 01.13Clip duration: 01.13
An animated description of the process of plant photosynthesis.
Plants as a source of food and medicine
Duration: 02.37Clip duration: 02.37
Examples of a variety of plant species and their uses.
Population size and control - predators and prey
Duration: 01.22Clip duration: 01.22
In the absence of predators, what happens to the size of a prey population?
Producton of oxygen in plants
Duration: 04.37Clip duration: 04.37
A recreation of Jan Ingenhousz' experiment demonstrating oxygen production from plants.
Respiration and photosynthesis in plants
Duration: 01.53Clip duration: 01.53
An introduction to respiration and photosynthesis in plants.
Sachs and the discovery of the chloroplast
Duration: 03.40Clip duration: 03.40
How modern microscopy enables people to view leaf cells and see how chloroplasts behave.
Size and heat
Duration: 04.39Clip duration: 04.39
The relationship between an organism’s body size and its metabolic rate.
Duration: 01.04Clip duration: 01.04
Looking at the role of skeletal muscles in moving parts of the body.
Skin - defend and protect
Duration: 03.04Clip duration: 03.04
How your skin acts to keep invaders out and water in.