The United States Department of Agriculture has reported a 34% loss in honeybees each year from 2007 to 2010. What are possible causes for the decline in the number of honeybees? (site 1)

When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these