Articles on Phylogenetic tree
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All species alive today, from chimpanzees to bacteria, are cousins that each have equally long lineages, rather than ancestors or descendants of one another.
Twins are pretty rare, accounting for just 3% of births in the US these days. But new research shows that for primates 60 million years ago, giving birth to twins was the norm.
The most detailed evolutionary tree of butterfly species ever created reveals the precise origins of the nectar-sipping gadabouts.
An appreciation for the moths that chomp holes in your clothes. They eat the inedible, occupy the uninhabitable and overcome every evolutionary obstacle in their way.
After a nose swab tests positive for a virus or bacteria, scientists can use the sample’s genetic sequence to figure out where and when the pathogen emerged and how fast it’s changing.
New research shows animal evolution often involves losing genes and becoming less complex.
Using the family relationships between single-celled protists alive today, researchers hypothesized what their evolutionary ancestors looked like – and then looked in the fossil record for matches.






