A butterfly Whiteboard exercise Play

A hydra Whiteboard exercise Play

A ragworm Whiteboard exercise Play

A sponge Illustration Play

A sponge and its structure Whiteboard exercise Play

Adaptations of tapeworms to a parasitic lifestyle Slideshow Play

Alternation of generations in Obelia Animation Play

Anatomy of the Roman snail Illustration Play

Annelids (phylum Annelida) Student activity Play

Annelids (phylum Annelida) Illustration Play

Arthropods (phylum Arthropoda) Illustration Play

Arthropods (phylum Arthropoda) Student activity Play

Characteristics of molluscs Slideshow Play

Characteristics of rotifiers Animation Play

Cnidarians (phylum Cnidaria) Illustration Play

Cnidarians (phylum Cnidaria) Student activity Play

Cross-section of a nematode Illustration Play

Development of cnidarians Whiteboard exercise Play

Developmental stages of insects Whiteboard exercise Play

Echinoderms (phylum Echinodermata) Student activity Play

Echinoderms (phylum Echinodermata) Illustration Play

Examples of cnidarians Slideshow Play

Feeding in Hydra Slideshow Play

Feeding in sponges Slideshow Play

Fossil molluscs Slideshow Play