You are missing some Flash content that should appear here! Perhaps your browser cannot display it, or maybe it did not initialise correctly.

Expert Explanations Download: 

Dr Mark Brown a senior lecturer in biology at Royal Holloway. His interests include: The evolutionary ecology of host-parasite interactions, the conservation biology of insects and the general biology of social insects.

Here Dr Brown explains Parasites. 

About the image: Three adult Hymenolepis nana tapeworms (Source: DPDx Image Library)



© 2011. All content,