Competition Project Larry G. Cabral, Nelida Rojas GK-12 Santa Ana High School 1
Fruit fly Diversity
Evolutionary Ecology Competitive Exclusion Principle: Two species competing for the same resource cannot coexist. One of the competitors will cause the extinction of the other. 3
Competition Experiment Place two fruit fly species in the same environment to compete over food and egg laying space.
The Competitors D. melanogaster D. virilis Standard Competitor Vs Population N = Fast developing T= Long Living 21 day generation cycle Standard Competitor
Develop in Vials for 20 Days
Compete in Cage for 1 day
Collect Eggs
Count Flies
Student Participation Maintain Fly populations Collect Data Present Results
Time Line From late September to December Collaboration with the Rose Lab
Questions? 12