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The Study of Echeveria's Chemical Reactions to Historic Martian Conditions

CSEF · 2003 Plant Biology

Noelle R. Stiles · Villa Park High School, Villa Park

Overview

Objectives/Goals Determine which plants from the genus Echeveria will have the most chemical and productivity change under the chosen Historic Martian conditions (CO(2) and UV light)? Which plant will be the best suited to survive? What conditions cause the most chemical and productivity change? Methods/Materials Materials: Carbon dioxide Four Echeveria species Table & Board Valves,Connectors and spray nozzles Ten Plastic Boxes Syringe and Microscope Sap testing materials (for Benedict, Iodine and Precipitate tests) Black light Procedure: A. Label plants, connect valves to boxes, syringe and Carbon Dioxide tank B. Blow air out of boxes, place all plants in appropriate conditions (UV, CO(2), Both), with a thermometer in each condition C. Record data daily on plants conditions, watering, temperatures, and refill boxes every two days D. Remove plants from conditions, take samples and conduct Benedict, Iodine, Precipitate and Ph tests. Results Echeveria Gibbiflora had the most chemical change, Echeveria Pulidonis and Echeveria Doris Taylor both had the second most chemical change, and Echeveria Aeonium Cyclops was the least chemically changed (according to the Iodine, Benedict, and Precipitate tests). For overall conditions Echeveria Gibbiflora faired the best and Ecehveria Aeonium Cyclops the worst. The conditions of solely CO(2) and Both UV and CO(2) caused the most chemical change. Conclusions/Discussion My conclusion is that Ancient Mars would chemically alter Echeveria Gibbiflora the most, in terms of energy production and storage. Therefore because Gibbiflora is the best fairing species as well this change can be accounted as positive. This information gives scientists a narrower range in the types of fossils to search for on modern mars, and allows us a glimpse of the possible differences between Martian life and Earthly life.

Summary statement

I am exploring the possibility of historic plant life on mars, and the difference and parallels this life could have to earthly plant life.

Help received

My father helped me set up the CO(2) apperatus

Competition history

  • CSEF 2003 Plant Biology · Entry S1616

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