Coral Reef Ecology Terms

noun a class of marine animals that includes jellyfish and corals

• Acnidaria is a class of marine animals that includes jellyfish and sea anemones.
• I saw a bunch of acnidaria while snorkeling in the ocean.
• Those acnidaria creatures are so cool to watch!
• The acnidaria in the ocean danced gracefully with the currents.

noun a class of marine invertebrates that includes the corals and sea anemones

• Actinozoa is a class of marine animals that includes corals, sea anemones, and jellyfish.
• I saw some cool actinozoa while snorkeling in the ocean.
• Check out those funky actinozoa in the reef!
• The actinozoa of the sea sway gracefully with the current, like dancers in a ballet.