Bubonic plague killed millions of people throughout Europe in the Dark Ages. Amend, Discuss, Correct Researchers have found the fossilized remains of what may be the first vertebrate to fly. Correct Ants are social insects and live in colonies which may have as many as 500,000 individuals. Amend, Discuss, Correct Tiny ants can lift objects that weigh more than they do.
Ants also have remarkably strong jaws and can give a painful nip.
Correct When ants find food, they lay down a chemical trail, called a pheromone, so that other ants can find their way from the nest to the food source. Correct Worker ants may live seven years and the queen may live as long as 15 years. Amend, Discuss, Correct Traditionally, a jury's decision must be unanimous, although it is legal for a state to allow a majority vote in designated cases. When a jury's member can't agree, it is called a hung jury. When jurors notify a judge that they are deadlocked, the judge usually ends the trial.