Quizz the ocean seasonsThis quizz is about the concepts covered in the topic : the ocean seasons. Feel free to review this topic if you do not manage to answer ...
Siphonophores - The longest animals on the planet Cousins of corals, siphonophores are colonies of specialized individuals called zoids. Some catch and digest their prey, others swim, or lay eggs or sperm.
Dinoflagellate Ceratium reflexum (Photo : Sophie Marro)
Gelatinous plankton salpes and Beroe(Photo : Fabien Lombard)