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Marine life of shoreline and rock pool, filmed in the intertidal zone of a typical rocky shore of south-west Britain. Shows periwinkles, top-shells, starfish and lumpsuckers, the self-concealing flatfish,...
Shows the four orders of protozoa, in terms of structure and behaviour. Binary fission, conjugation, ingestion and excretion, parasitism, symbiosis and colonial organisation are illustrated by seventeen...
An account of the nesting habits of the mallee fowl ‘Leipoa ocellata’, a member of the ‘Megapodirdae’ family of mound builders. Incubation of eggs in mounds of earth; male bird controls temperature...
Activities of the short-eared owl on the island of Texel. Birds seen feeding, and at its nest, where the female is sitting on a clutch of six eggs. Shows the hatching of the young birds, the stages of their...
Diagrammatic presentation of the stages in nuclear meiosis behaviour of the chromosomes.
Shows some 30 insects and their beneficial or harmful effects. Emphasises the desert locust and its organised scientific control. The film is valuable for its exceptionally good visual material which shows...
Covers all development stages from the blastoderm to the hatching of the chick; animated diagrams and section photomicrographs. Normal speed and time-lapse photographic sequences, and animated diagrams...
A survey of the five orders of reptiles showing examples of each group in their natural habitats.
The carotid body, the aortic body; function of chemoreceptors; electrical stimulation of carotid chemoreceptors; chemical stimulation of aortic body chemoreceptors. Experiments on cats and dogs.
Life of the swallow during summer in Northern Europe; courtship; building a nest; feeding the young.
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