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snoopies622
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Are people more closely related to dogs or to cats? Based on behavior I would guess dogs, but what does the DNA say? What about the fossil record? Anybody know?
The DNA of dogs and cats is quite similar, as they both belong to the Carnivora order and share a common ancestor. However, there are some key differences in their DNA sequences that distinguish them as separate species.
The fossil record shows that both dogs and cats evolved from a common ancestor, known as Miacis, which lived about 55 million years ago. Over time, this ancestor branched off into different species, including modern-day dogs and cats. Fossil evidence also shows similar physical characteristics between the two species, further supporting their close relationship.
Yes, dogs and cats show many similar behaviors such as hunting, grooming, and social behaviors. This is because they share a similar evolutionary history and have adapted to similar environments.
While dogs and cats may share some common behaviors, there are also notable differences. For example, dogs are more social and tend to form stronger bonds with humans, while cats are more solitary and independent. Dogs also have a stronger pack mentality, while cats are more territorial.
It is difficult to determine which species is more closely related, as both dogs and cats share a common ancestor and have evolved in different ways. Their DNA and fossil records provide evidence of their close relationship, but it ultimately depends on how one defines "closely related". In terms of behavior, both species exhibit similarities and differences, making it difficult to determine a clear answer.