Evolution of the Christmas Tree: Firs Tie Oaks in Fitness Race
December 24, 2005
In the struggle for existence, the conifers should have lost, because when angiosperms appeared, they had fancier valve jobs. That’s the feeling of a story introduced by Elizabeth Pennisi on Science Now. “Those of us who celebrate Christmas tend to take fir and spruce trees for granted around the holiday season,” she quipped, “But without […]
