1. Cnidarians

2. Introduction
Include
JellyFish
Sea anemones
Hydras
corals

3. Body shapes Polyp: Remain in one place
i.e: Corals have a _______ shape
Medusa: Weak swimmers, go with the current
i.E jellyfish have _________ body shapes

4. Body plan/function Hollow central cavity with one opening called______
They have nematocysts: special stinging structure
Used to kill or stun prey
Found on tentacles-surround its mouth
Pull its prey into its mouth with tentacles.
After digestion, waste is released through its mouth

6. Body plan/function (cont…)
Body Symmetry: ______________________
They have tissue, but no ________

7. Reproduction Asexual reproduction Budding Sexual Reproduction
1. Producing eggs and sperm

8. Hydras Have a_________ shape Live in freshwater
Move via somersaulting movement

9. Sea anemones Polyps that resemble underwater flowers
Have tentacles that contain _______________
Fish swimming by are stung by nematocysts

11. Corals Soft bodied organisms-shapes: antlers, fans, brains
Use minerals in water to build ________________ skeleton
Forms Corals reefs
Extract calcium from eater to build solid reef.
Top layer of reef contains living corals
Plant like autotrophic algae called _______________, live inside coral’s body to create a symbiotic relationship.

12. Coral Anatomy

13. Jellyfish
Deliver a painful poison through its nematocysts on its tentacles. They have a ______________ shape.
Use its nematocysts to capture prey
Have both sexual and asexual stages in its life cycles