A common ancestor is a set of organisms that most recently individuals from all the organisms are descents.
- Fossils, anatomy, DNA sequences, and embryos, etc. are all line of evidence that tells us about the similarities and differences that lead to the evolution of the organisms.
- The example of the dogs and the kangaroos both are mammals and care for their young ones.
Hence the option 3 is correct.
Learn more bout the following provides evidence of a common ancestor.
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