Imagine exploring a wooded site along an Alaska stream or lake for evidence of animals. Maybe you’ll see moose prints in the soil or a bit of wolf fur in a berry bush. But some species don’t leave footprints. They still leave a clue. It’s their DNA.
Imagine exploring a wooded site along an Alaska stream or lake for evidence of animals. Maybe you’ll see moose prints in the soil or a bit of wolf fur in a berry bush. But some species don’t leave footprints. They still leave a clue. It’s their DNA.