1. Cnidarians Characteristics Invertebrates Stinging cells-Nematocyst
Used to capture food
Defend themselves
Central body cavity

2. Body Structure Two types Polyp-vase shaped Mouth opens at top
Tentacles surround mouth
Stays attached to underwater surface

3. Medusa-Bowl shaped Mouth opens downward Tentacles trail
Adapted to swim

4. Food Acquisition Use stinging cells to capture prey
Use tentacles to pull prey into mouth
Prey passes into hollow body cavity
Digested
Expel waste through mouth

5. Movement Some have muscle like tissue to move Jellyfish swim
Hydra summersault
Sea Anemone stretch, shrink and bend

6. Nerve Net Nerve cells that spread out like a net Help a Cnidarian move
Respond to danger
Find food

7. Reproduction Asexually Sexually variety of ways Budding
Just pull apart to form two new polyps
Rapid increase in population in short time
Sexually variety of ways

8. Sexual Reproduction