Changes

*[[Protozoan|Protozoa]] - Mostly simple, single-celled organisms

*[[Protozoan|Protozoa]] - Mostly simple, single-celled organisms

*[[Porifera]] - [[Sponge]]s

*[[Porifera]] - [[Sponge]]s

*[[Coelentera]] - Hydra, [[jellyfish]], [[sea anemone|anemones]] and [[coral]]s

*[[Coelenterata]] - Hydra, [[jellyfish]], [[sea anemone|anemones]] and [[coral]]s

*[[echinoderms|Echinoderm]]a - [[Starfish]], [[sea urchin]]s and [[sea cucumber]]s

*[[echinoderms|Echinoderm]]a - [[Starfish]], [[sea urchin]]s and [[sea cucumber]]s

*[[Annelid]]a - [[Worm]]s

*[[Annelid]]a - [[Worm]]s