Fire ants are named for their burning stings They use venom for defense and for killing prey. Fire ants also use their venom to disinfect their nests. Some fire ant colonies have as many as 200,000 worker ants. They build large mounds in which to live. Some mounds can be as high as 2 feet (0.6 meters)tall. It is important to be careful around fire ant mounds.In addition to being dangerous to humans, fire ants are harmful to other ants, reptiles, and birds. Do It! Fire ant colonies can be __ A valuable B shallow C unarmed D enormous D