What is daphniaa!!!?

Question

i am doing an experiment on how a chemical called theobromine(found in chocolate) affects the heartrate of daphnia. DOES ANYONE have any information on theobromine and daphnia?! are there any similar experiments out there!

Answer 1

for daphniaa here

http://www.caudata.org/daphnia/

Answer 2

DAPHNEis a flowering shrub if thats any help ?

Answer 3

There are several articles.  It seems to have to do with caffeine.

http://www.google.com/search?hl=en&q=the...

Answer 4

wikipedia it, dude.