Teri Hatcher is an American actress who portrayed Sidra Holland on Seinfeld; she appeared in The Implant, The Pilot and The Finale.
The fruit fly Drosophila melanogaster has been extensively studied for over a century as a model organism for genetic investigations. It also has many characteristics which make it an ideal organism for the study of animal development and behavior, neurobiology, and human genetic diseases and conditions.
A mushroom is actually only the reproductive part of the organism--in the way an apple is only the fruit of the whole organism, the apple tree. The main part of a mushroom is underground or running through dead wood, and consists of a web or mat of hairlike fibers called a mycelium (the plural is mycelia).