Resources 

Colour in Bertie	Colour in Phytoplankton(1.5Mb dowload)	Colour in Zooplankton	Plankton Word Search
Bertie Question Sheet	Key stage 3 Photosynthesis Fact Sheet	The World of Plankton fact sheet	Glossary of terms
Plankton snap	Build a plankton	Food chain factsheet	Identification exercise