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A tour of rocky shores in Pembrokeshire, showing the rich diversity of plants (mainly algae) and animals (mainly barnacles and limpets) present in the intertidal zone. Shows the broad horizontal bands...
Discusses the factors for new species formation, using as the example the Hawaiian ‘Drosophila’, the so-called ‘picture-wings’. Considers the biological control of the Mediterranean fruit fly in...
Using simple demonstrations and time-lapse photography explains the principles underlying the structures of seedlings, shoots, herbaceous plants, trees and leaves. Using the microscope, examines how these...
When does biology seem to outstrip simple physics? Ordinary air pressure can only raise a column of water up ten metres, but a giant redwood tree can raise it more than 100 metres. The film demonstrates how...
Dust from the Chernobyl nuclear accident reached Britain in April 1986, but some areas of the Cumbrian uplands were still radioactive in the autumn of 1990. This runs counter to the early predictions: what...
Shows how the hydrosere succession has been ‘managed’ in the Dutch polders to produce a variety of habitats and land types. Following exclosure from the sea, the shallow freshwater lakes and marshes that...
Discusses the plant succession that takes place on sand dunes. The sand dunes at Braunton Burrows in North Devon provide the study example.
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