A researcher claims that elephants can recognize themselves in mirrors, a sign of advanced self-awareness.
Which experimental finding, if true, would most strongly support the researcher's claim?
- A
Elephants have excellent long-term memories.
- B
Elephants communicate using a variety of low-frequency sounds.
- C
Elephants live in tightly bonded family groups.
- Dcheck_circle
When researchers placed a small mark on the foreheads of elephants, those that had access to a mirror repeatedly touched the mark, while elephants without mirrors did not.
Explanation
A is the classic mark test for mirror self-recognition. B, C, and D are interesting but unrelated to the specific test.