A straightforward presentation of the form and mode of life of Obelia. The colonies of hydranths are seen to develop blasto-styles and the emergence of the medusae is shown by rapid-motion photography. Emphasis is laid on the alternation of generations.
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How to watch
Collection
In ACMI's collection
Credits
Collection metadata
ACMI Identifier
007769
Language
English
Subject categories
Animals & Wildlife → Marine biology
Animals & Wildlife → Marine ecology
Climate, Environment, Natural Resources & Disasters → Marine ecology
Education, Instruction, Teaching & Schools → Biology - Study and teaching
Educational & Instructional → Educational films
Educational & Instructional → Instructional
Mathematics, Science & Technology → Biology - Study and teaching
Mathematics, Science & Technology → Marine biology
Sound/audio
Sound
Colour
Black and White
Holdings
16mm film; Access Print (Section 1)