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Effect of Caffeine on Fertilization Rate of Strongylocentrotus purpuratus

CSEF · 2008 Pharmacology/ Toxicology

Alex Q. Santillan · Mount Miguel High School, Spring Valley, San Diego County

Overview

Objectives/Goals To test if caffeine effects the fertilization of the purple sea urchin Methods/Materials The gametes from the purple sea urchin were collected and were added to the concentrations of caffeine for a period of 5 minutes, and then slides were prepared and observed to determine the success rate of the fertilization process for each caffine concentration. Results The experimental results indicated a notable decrease in the success rate of each increasing concentraion of caffeine

Summary statement

The focus was to see if caffeine effected the fertilizations success rate of the purple sea urchin

Help received

used lab equipment at Mount Miguel High School

Competition history

  • CSEF 2008 Pharmacology/ Toxicology · Entry S1517

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