Invertebrates
Are animals without backbones or spinal column
Cnidarians
Cnidarians have the ability to sting its prey, carnivorous animals, or meat-eating, poison in tentacles.
Characteristics
tentacles that sting its predators and bring food to mouth (digestive system)
waste leaves through mouth
no organs, cells organized instead of tissues, outer layer is protection and inner layer is used for digestion
live in water
radial symmetry
Polyp or Medusa Form
reproduce sexually and asexually
Adaptation - coral produces a skeleton to protect its soft body; some sting its predators with tentacles