The difference between these rhythms

Biological Rhythms Revision 1

To help revise the similarities and differences between the three types of biological rhythm, why not complete this Venn diagram. You should be able to think of a couple of things that all three have in common as well as things that distinguish each type of rhythm from the others. There are some stickies in the lucky dip if you need some help but have a go one your own before looking for the “gifts”:

Biological Rhythms 2 Revision