Coursework.Info - Inspiration in an Instant

On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:

As level Biology Experimenting the effects of caffeine on water daphnia Alex Jones Experiment to find out how the concentration of caffeine will affect the heart rate of water daphnia. Hypothesis/prediction I predict that when the water daphnia are given caffeine the higher the concentration the faster the daphnia's heart beat will be. I think this because caffeine is a stimulant that affects your heart rate keeping you awake and making you more alert. I will be counting the daphnia's heartbeat to see if the caffeine has any effect. Information on water daphnia Water daphnia are more commonly known as water fleas or water flies and you can buy them at most local pet shops or fishing shops as they are used to feed goldfish because they eat algae and take in all the nutrients and so are full of them. The chief characteristic of the water fleas is that the main part...

Get instant access

• Instant, unlimited access to our documents in full
• Swap your work for free access, or pay £4.99
• To see the full version of this document and 147,187 others

OR

Receive email updates for this category

• Simply tell us your email address and receive a weekly Study Help Email for FREE
• Receive 3 FREE essay views with each email
• Get all the latest essays from Coursework.Info & discussion from TheStudentRoom.co.uk