They may not look like it, but sponges are living, breathing creatures! A PowerPoint presentation explains the important characteristics of the invertebrate Phylum Porifera, or more commonly known as the sponges. From their body...

How many different invertebrates can you name? A thorough presentation describes the eight different Phyla of invertebrates. Each slide gives a quick overview of the important physical characteristics of each of the Phyla.

Learn about venomous fish and other animals with the ability to inject venom, such as jellyfish and other venomous invertebrates.

Did you know that sponges are one of the simplest animals that exist? Learn about these multi-cellular animals and their importance to the marine environment.

Learn all you wanted to know about sponges. And see video clips as well as photos from The Sponge Reef Project, NOAA Ocean Explorer, National Geographic and more.