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A survey of the five orders of reptiles showing examples of each group in their natural habitats.
A discussion of Shaw’s play.
The structure and uses of lasers. Two unusual applications are shown - a laser typewriter eraser and a laser used in surveying.
Describes the structure and function of glands of internal secretion. Pituitary gland; parathyroid; insulin; thyroids.
Shows techniques used to produce polarized light, illustrating its characteristics and showing its utility for scientific and industrial purposes in the fields of engineering, geology and biology.*
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...
Using time-lapse and cinemicrography, shows the process of embryonic development that occurs in a chicken’s egg from approximately eighteen hours after fertilisation to the final hatching some twenty days...
Considers how successful the mammal has been in its development for life on land compared with other classes of vertebrate animals. The mammal is compared with the reptile, its predecessor. Some of the...
Examines the influence of China’s land resources on her history and economy and the human problems to be faced as industrial and agricultural development proceeds. The reasons for Communist land reforms...
Different types of bee and their function in the community of the hive. The life cycle in the hive during the year: egg laying, metamorphosis, manufacture of wax, swarming, building a honeycomb. Introductory...
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Learning on Screen
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Related searches have been automatically generated using the OpenCalais semantic analysis service.