A human as the intermediate host Slideshow Play

A river food web Student activity Play

A woodland tree food web Student activity Play

Adaptation Student activity Play

Animal adaptations Student activity Play

Arthropods (phylum Arthropoda) Student activity Play

Ascaris lumbricoides Whiteboard exercise Play

Ascaris lumbricoides Student activity Play

Ascaris lumbricoides infection Slideshow Play

Building a river food web Illustration Play

Changing nutritional requirements at different stages of development Student activity Play

Changing nutritional requirements at different stages of development Slideshow Play

Competition Student activity Play

Development of amphibians Slideshow Play

Developmental stages in a butterfly Whiteboard exercise Play

Enterobiasis Slideshow Play

Fertilization and development Student activity Play

Food web terminology Student activity Play

Growth Student activity Play

Internal fertilization Animation Play

Large nematode – another big problem Student activity Play

Larval stages Whiteboard exercise Play

Larval stages Student activity Play

Larval stages in invertebrate development Slideshow Play

Life cycle of Ascaris lumbricoides Animation Play