When living is toxic: bioaccumulation and biomagnification

Let's talk about biological cycles of toxic substances in the environment. Is eating fish really healthy? What do mosquitos have to do with polar bears? And why was Mad Hatter, a character in "Alice from Wonderland" mad?    

Please note that this lesson will end with KAHOOT quiz, that can be played with use of mobile devices, like smartphones with internet access.    

I recommend to watch this short video before the lesson as an introduction: 

 

If there are not places available to take part in that lesson, please sign up on a standby list. I would like to know how many classes are interested in extra lessons on that topic.