Final answer:
The most true statement about brown dog ticks is that they feed on rodents.
Step-by-step explanation:
The most true statement about brown dog ticks is that (a) seed live on rodents. Brown dog ticks have a complex life cycle and require a blood meal from a host at each stage of their development. They typically acquire the spirochete, which is a bacteria that causes Lyme disease, when they take their first blood meal from a mouse. Nymphs feed primarily on small rodents and can also feed on humans, while adult ticks tend to feed on larger animals like deer or occasionally humans.