Organism; system; organ; tissue; cells Illustration Play

Organs of the earthworm Whiteboard exercise Play

Parts of the small intestine wall Illustration Play

Platyhelminths Student activity Play

Protein digestion in the small intestine Animation Play

Role of bacteria in the large intestine Slideshow Play

Role of bile in lipid digestion Student activity Play

Rotifers (phylum Rotifera) Student activity Play

Saliva Animation Play

Small nematode – big trouble Student activity Play

Small numbers Whiteboard exercise Play

Small numbers Student activity Play

Small steps Class activity Play

Small steps Whiteboard presentation Play

Small steps Class activity Play

Small steps Whiteboard presentation Play

Small steps Class activity Play

Small steps Whiteboard presentation Play

Stages of succession in a small lake Whiteboard exercise Play

Structural adaptations; mode of feeding and type of food Student activity Play

Structure and functions of epithelial tissues Student activity Play

Structure and functions of the large intestine Slideshow Play

Structure and functions of the small intestine Animation Play

Structure and functions of the stomach Slideshow Play

Structure of a soil nematode Slideshow Play