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Explores reproductive evolution in plants. Relates how in Japan in 1896, Hirase Sakugoro discovered flagellated sperm in a seed of the ‘Ginkgo biloba’, and later Ikeno Seiichiro found the same type of...
Sponges, previously classified as Parazoa, which demonstrate characteristics of unicellular organisms, are now shown to have some features of true metazoans. Uses time-lapse photography to show sponges’...
Shows the life cycle of the sea squirt ‘Halocynthia roretzi’. ‘Halocynthia’ adults from Mutzu Bay in Northern Japan are shown to spawn at a certain time of the day and differences in spawning time...
Uses research film footage shot in laboratories by eminent specialists involved in cell motility studies. Opens with a brief summary of muscle movement and the roles of proteins actin and myosin. Creatures...
Studies the structure and function of microtubules highlighting the distinction between muscle movement and movement apparent in microtubules. Shows flagellar and ciliary movement in protozoa and higher...
Shows the life cycle of one of the scyphomedusae, the jellyfish ‘Aurelia aurita’. Fertilisation, planular stage, ephyrae, polyps, and adult medusae are shown.
Originally produced in a three-screen version for the International Ocean Expo ‘75 at Okinawa, this single-screen version was made later. It provides excellent visual material on ‘Hydrozoa’,...
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