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Microgravity’s Effects on Branchinecta Anostraca

Microgravity’s Effects on Branchinecta Anostraca . Co- Principal I nvestigators Co- I nvestigator Delaney Hewitt Grace Brennan N atalie Moyer Mackenzie Ortlieb Eighth Grade St. Monica School . Research.

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Microgravity’s Effects on Branchinecta Anostraca

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  1. Microgravity’s Effects on Branchinecta Anostraca Co- Principal InvestigatorsCo- Investigator Delaney Hewitt Grace Brennan Natalie Moyer Mackenzie Ortlieb Eighth Grade St. Monica School

  2. Research • From our research, we discovered that in microgravity, astronauts lose up to 50% of muscle on long missions or 20% on shorter missions. • On shorter missions, astronauts tend to lose the most muscle in their lower legs. Their legs tend to be smaller in proportion to the rest of their body. • Most of the shrimps muscle is found in the tail, which is used for swimming and holds their eggs

  3. Materials • 20 (freeze dried) Branchinecta Anostraca eggs • 7ml of distilled water • 10 mg of shrimp food (yeast solution) • 1 ml of ExCell Plus Fixative • Type 3 FME tube

  4. Procedure • On D-14 days, the astronauts will unclamp A and shake lightly for five seconds. This will mix our eggs/food and distilled water. • Then on D-5 days, they will unclamp clamp B and shake lightly for five seconds. This will release the fixative into the hatched Anostraca, stopping their growth. Volume One- Eggs and Shrimp Food Volume Two: Distilled Water Volume Three: ExCell Plus Fixative

  5. Why Branchinecta Anostraca? We believe Branchinecta Anostraca are the perfect candidate for this experiment because of their simplicity and small size. With these shrimp being so small, we can easily conduct our experiment in the constraints of the FME tube, but still gain insight from our results that can potentially help scientists broaden understanding of muscle loss in microgravity.

  6. Resources • www.arizonafairyshrimp.com • www.medicalnewstoday.com • www.researchgate.com • www.scientificamerican.com

  7. acknowledgments We thank all the following for supporting our scientific experience: • Catholic Schools of Greater Kalamazoo • The SSEP community program coordinators • Mrs. Becky Reits, principal of St. Monica school • Mrs. Katie Gilbert, Advancement director for CSGK • Team Teacher-Advisors • Mrs. Susie Vanderbeek and Mrs. Diane Paige • The Center for the Advancement of Science in Space • The National Center for Earth and Space Science Education

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