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



Pictures