Modes of gas exchange in organisms Slideshow Play

Molluscs Student activity Play

Ocean habitats Student activity Play

Reproduction in amphibians Student activity Play

Respiration in water – gills Student activity Play

Salt water versus fresh water Student activity Play

Structure of a starfish – a typical echinoderm Slideshow Play

Structure of an earthworm – a typical annelid Slideshow Play

Structure of arthropods Slideshow Play

Structure of the gills in bony fish Illustration Play

Structure of the Roman snail – a typical gastropod Slideshow Play

The aquatic environment Slideshow Play

The blood and water flow in gills Whiteboard exercise Play

The classification of plants Student activity Play

The classification of plants Illustration Play

Vertebrates Whiteboard presentation Play

Vertebrates Class activity Play

Water as an environment for life Student activity Play