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Shows high-oceanic, near-surface life in the tropical Atlantic. Records a transatlantic voyage of scientific observation by marine biologists and a meteorologist conducted aboard a drifting yacht.
Demonstrates that the sponge represents one development of multi-cellularity in animals and shows some of the adaptations of the body plant of this primitive animal. Live photography, animation,...
Describes the characteristics of phylum Coelenterata including fresh and salt water examples. It shows the typical coelenterate body plan and reveals the variety of form of the phylum. It also shows how...
Variously detailed accounts of the behaviours and adaptations involved in reproduction. Set titles: 1. Reproduction in Invertebrates. 2. Reproduction in Vertebrates. 3. Reproduction in Mammals. 4. Larval Forms.
The work of Oxford Scientific Films unit in the England, showing production techniques employed and examples of nature film-making.
Podcast. Professor Kenneth Catania, of Vanderbilt University, Nashville, Tennessee, discusses some of the ways in which some vertebrates sense their environment, beyond the five senses of touch, taste,...
Shows the life cycle of one of the scyphomedusae, the jellyfish ‘Aurelia aurita’. Fertilisation, planular stage, ephyrae, polyps, and adult medusae are shown.
Part 1 deals with the life cycle of the grunion, one of the very few fish which lays its eggs on land. Part 2 shows the annual congregation of the millions of squid which gather to mate, spawn and then die.
Illustrates equipment and experimental procedure involved in obtaining trace diagrams for double and multiple stimulation. Makes special reference to determining the ‘refractory period’ (double...
The normal development of the heart is shown in time-lapse, beginning with the identification of migratory heart-forming cells. Fusion of primordia in the mid-line, tube formation and folding, and the...
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Learning on Screen
Related searches have been automatically generated using the OpenCalais semantic analysis service.Related searches have been automatically generated using the OpenCalais semantic analysis service.