A patient comes into the ER complaining of ear pain and the inability to hear anything with her right ear. The physiciain on call notes that the patient has a ruptured ear drum. Explain why a ruptured ear drum would contribute to temporary hearing loss.

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla