Question

Which of the following would be the best for scientists to analyze, in order to get a better understanding of how plants and animals evolve from a common ancestor? (1 point)

Responses:

DNA molecules

life cycles and behaviors

petrified bones and imprints of the plants

vertebrate embryos

Answer 1

DNA molecules.

Comparing DNA sequences reveals conserved genes and sequence similarities (molecular homology) that provide the clearest evidence of common ancestry across very different groups like plants and animals.