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Archive for the ‘Daphnia’ Category

to study the effects of common substance ont he heart rate of the tiny aquatic organism known as Daphnia, students placed a daphnia in a drop of water on a glass slide. TYhe Students then added 1 or more drops of a test substance dissolved in water to the slide, waited 10 seconds, then counted the heart rate for 10 seconds. the students used a clean slide and a new Daphnia each time… the test substances were Coffee, water, and Ethanol

I have to do a lab report and I don’t know what that question is asking or obviously what the answer is.. so please please please help me..

I could also use info on Volvox, Rotifer, Daphnia. spirogyra, and brown hydra. THANK YOU! Also, check this out www.rithum.com/ctc

Omg!! I really need help with my science fair. I am done everything I just need a very catchy and attractive title. My project is on daphnia and how ph levels effect them. Please Help me!!!!
I need help getting an interesting title for my science fair its about little tiny fish, daphnia and how different ph levels effect them

What are the benefits of feeding freeze dried worms/daphnia/shrimp/etc. to your freshwater fish? Which brands and or types of creatures are better and safer for your fish? How much do you feed per fish?

I need an idea for biology comprehensive assesment project. It consists of finding an experiment, make a hypothesis, analyze data and so on. Its 10% worth my final mark.
ex. heart beat of daphnia in cold water..
examples like that