While wading in the ocean, you look down into the water and notice an umbrella-shaped, translucent animal. It swims by pulsing its body, and long tentacles trail behind it. One of them brushes your leg. Ouch! You feel a burning sensation where it touched you. To what phylum does this creature probably belong? Mollusca Cnidaria Porifera Platyhelminthes
the group contains jellyfish which fit that exact description tentacles that sting you with a burning sensation if your skin comes in contact with them