Answer:
The platypus serves as a 'bridge' animal between nonmammals like birds and reptiles, which maintain their testicles in their body cavity, and placental and marsupial mammals, which hold their testes in an external scrotum."
The steps that the U.S has recently taken to counter cyber crime include; Setting up a system of voluntary cyber-security standards, and also opening a new center dedicated to managing cyber activities. Cyber crimes are crimes that involves a network and a computer, a computer is used as an instrument of further illegal ends. Cyber crimes may threaten a person or a nation's security and financial health.
Well, the domain humans belong to (when I did a little research) is that they are actually a Eukaryote. Therefore, I'd say C, Eukarya. I hope this helps! ~Mia
