Adaptations of the eagle and a tropical tree Illustration Play

Adaptations to the environment Student activity Play

Ascaris lumbricoides infection Slideshow Play

Commensalism – fortuitous associations Student activity Play

Competition Student activity Play

Development of amphibians Slideshow Play

Examples of commensalism Slideshow Play

Fertilization and development Student activity Play

Internal fertilization Animation Play

Large nematode – another big problem Student activity Play

Parasitic arthropods Student activity Play

Questions about competition Whiteboard exercise Play

Reproduction in amphibians Student activity Play

Soil habitats Student activity Play

Sucking louse Slideshow Play