A river food web Student activity Play

Adaptation of organisms to osmosis Slideshow Play

Amphibians Student activity Play

Amphibians (Vertebrata: Amphibia) Student activity Play

Animal cloning – the use of embryonic cells Student activity Play

Characteristics of amphibians Slideshow Play

Competition Student activity Play

Development of amphibians Slideshow Play

Developmental stages of the frog Slideshow Play

External gills Slideshow Play

Growth Student activity Play

How food chains work Student activity Play

Nuclear transfer Animation Play

Producers and consumers Student activity Play

Producers and consumers in a typical food chain Illustration Play

Questions about competition Whiteboard exercise Play

Reproduction in amphibians Student activity Play

Respiration in water – gills Student activity Play

Salt water versus fresh water Student activity Play

Sensitivity Student activity Play

Sensitivity of living organisms Slideshow Play

The chemical composition and ranges of hormone activity Student activity Play