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Bridges to Baccalaureate Program Summer 2014 Wogenie Tessema Michael Shiaris, PhD Professor of Biology Department of Biology University of Massachusetts.

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Presentation on theme: "Bridges to Baccalaureate Program Summer 2014 Wogenie Tessema Michael Shiaris, PhD Professor of Biology Department of Biology University of Massachusetts."— Presentation transcript:

1 Bridges to Baccalaureate Program Summer 2014 Wogenie Tessema Michael Shiaris, PhD Professor of Biology Department of Biology University of Massachusetts Boston Enterococcus

2 What is Daphnia-magna?  A species of Daphnia under kingdom Animalia  Reproduction: Both Sexually and asexually  Their size is about 2-5mm  Prefer temperature degree centigrade  PH 6.5 to 9.5  Affected By salt conc.  Transparent shell

3 Why Daphnia is used in the lab?  For toxicology testing any effects of chemicals can be seen  They indicate the health of the ecosystem  Easy to culture  Can be reared in small space  Give rise new broods every 2 to 3 days

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