Nomura Jellyfish Hydra Coral Anemones Jellyfish.

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Presentation transcript:

Nomura Jellyfish

Hydra Coral Anemones Jellyfish

Cnidocytes ??? M e m b e r s o f t h i s p h y l u m a l l h a v e s t i n g i n g c e l l s t o c a p t u r e t h e i r p r e y a n d d e f e n d t h e m s e l v e s c a l l e d …. C n i d o c y t e s C n i d a r i a n s c a n m o v e i n v e r y i n t e r e s t i n g w a y s H y d r a J e l l y f i s h A n e m o n e s

The coral reef is made up of mostly Cnidarians and Poriferans. Nemo on his way to school

The Facts … Body symmetry- Radial Reproduction- Asexually and Sexually Movement- Polyps- Stationary Medusas- movement varies Food- carnivores- sting their prey Phylum Cnidaria

Polyp Medusa

How do Cnidarian eat? Cnidarians have a TWO WAY digestive system Nemo- “takin on the Jellies”

Just how fast is a cnidocyte? …. Can you beat it? The average reaction time for a cnidoctye to eject a barb is about 700 nanoseconds!! One nanosecond = one second divided by one million!!! seconds seconds