【高考】When an individual ant comes under attack or is dying, it sends out an alarm pheromone to warn the colony to prepare for a conflict as a defense unit.
【高考】We can learn from the passage that ants are not found around the poles.
【高考】For animals their size, ants have been astonishingly successful, largely due to their wonderful social behavior.
【高考】In fact, when it comes to the art of war, ants have no equal.
【高考】Ants can use pheromones for communication.
【六级】For instance, the letter A was ant or apple or ax.
【高考】There are an extremely large number of ants worldwide.
【高考】Each individual (个体的) ant hardly weighs anything, but put together they weigh roughly the same as all of mankind.
【高考】Such is their devotion to the common good of the colony that not only soldier ants but also worker ants will sacrifice their lives to help defeat an enemy.
【六级】The Nature Conservancy has declared war on a multitude of invasive species here, from sheep to plants to the aggressive Argentine ant.
【高考】Where we use sound and sight to communicate, ants depend primarily on pheromone, chemicals sent out by individuals and smelled or tasted by fellow members of their colony.
【高考】When an ant finds food, it produces a pheromone that will lead others straight to where the food is.