Q: What type of chemicals do ants communicate with? Choices: - Alkanes - pesticides - hormones - pheromones A:
pheromones

Q: Bees are naturalized on every continent except which? Choices: - Australia - North America - Africa - antarctica A:
antarctica

Q: When organisms penetrate a rock, they accelerate breakdown by chemical means and what other means? Choices: - ecological - temperature - geological - mechanical A:
mechanical