A perspective expressed by the author in "Could a Dragonfly's Wings Be Alive—and Breathing?" is the rare blue of a male dragonfly's wings could help scare off his rivals. Which sentences from the article support this perspective?

Select all that apply.
1.The tough inner layers of its wings contain nanoscale spheres sandwiched between blankets of black-pigment-filled nanolayers.
2.And that would give him an advantage in competing for breeding territory around palm tree swamps.
3.This setup can make blue light bouncing off of wings easy to see.
4.That leaves the male with a good chance of winning a mate, he says.