In the winter of 2006-2007, beekeepers in more than 20 U.S. states lost how many honey bee colonies in what has been termed "Colony Collapse Disorder"? Group of answer choices Tens of thousands of colonies -- an estimated 1 to 5 percent of the nation's pollinator stock Tens of thousands of colonies -- an estimated 30 to 35 percent of the nation's pollinator stock Hundreds of colonies -- an estimated 25 percent of the nation's pollinator stock Hundreds of colonies -- an estimated 35 percent of the nation's pollinator stock