Final answer:
Brown dog ticks can infest both cats and dogs, and cats and dogs share the same taxonomic group from the Domain down to the Order level, which includes Carnivora.
Step-by-step explanation:
The question is whether brown dog ticks can be found on both cats and dogs. The correct answer is c) both are true. Brown dog ticks are not exclusive to dogs and can indeed infest other animals such as cats. Ticks are known to be opportunistic parasites and while they may have preferred hosts, they can and will feed on a variety of mammals if the opportunity arises.
At what levels are cats and dogs considered to be part of the same group?
Regarding the classification of cats and dogs, cats and dogs are considered part of the same group beginning at the Domain level and including the sublevels Kingdom, Phylum, Class, and Order. This means they share substantial taxonomic categories, reflecting their similarities as mammals and as members of the order Carnivora.