Classes: 1. Coral- Anthozoa 2. Hydra- Hydrozoa 3.

Classes: 1. Coral- Anthozoa 2. Hydra- Hydrozoa 3.

Classes: 1. Coral- Anthozoa 2. Hydra- Hydrozoa 3. Sea Jellies/ Jellyfish- Scyphozoa 4. Sea Anemones- Anthozoa

subclass Hexacorallia A. Polymorphism = more than one body form 1. Polyp

2. Medusa Tube with tentacles around the mouth Sessile

Juvenile Form Coral polyp

Umbrella shape Tentacles around mouth Motile, Free-swimming Adult Form

Have nematocysts

(stinging cells) Coiled thread

discharges like a harpoon Contains neurotoxin

Paralyzes prey Discharge d

A. Aquatic 1. Most Marine 2. Few fresh-water

A. Carnivores Lions mane (predators) eats another B. Process of feeding jelly

1. Tentacles sting prey with nematocysts 2. Tentacles grab prey 3. Prey pulled into mouth

Predators and prey B. Neurotoxins in medical research C. Coral jewelry, building, reefs (surfing!) D. Coral reefs - habitat for many

-great biodiversity - protect coastline E. Symbiosis with other organisms A.

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