green hydra
cnidarian
Learn about this topic in these articles:
colouring
- In zoochlorella
, green hydra and green Paramecium bursaria). As symbionts, zoochlorellae use carbon dioxide and nitrogenous and phosphorous wastes and, in illuminated conditions, provide oxygen and useful nutrients to their hosts. Sometimes zoochlorellae are digested by the host. They may be passed from one generation to another…
Read More
work of Trembley
- In Abraham Trembley
…of the freshwater hydra, mainly Chlorohydra viridissima. His extensive systematic experiments foreshadowed modern research on tissue regeneration and grafting.
Read More