1. Further isotope smell studies are under way in fruit flies and dogs. 2. She spent the next week checking the students'observations against fruit fly samples. 3. A fruit fly has a longer attention span than the average American. 4. But a fruit fly problem persisted, forcing her to forsake her worms. 5. Fruit flies also have elaborate courtship rituals and mating behavior : love.6. It is seasonally inappropriate, dismissed the way people wave off fruit flies . 7. Murdoch demonstrated this effect with guppy preying on tubificids and fruit flies . 8. Like some humans, some fruit flies prefer members of their own sex. 9. Earlier studies have demonstrated that fruit flies can be inbred for longevity. 10. Ashizawa says doctors are testing promising drugs on mice and fruit flies .
