How do scientists diagram evolutionary relationships? Scientists represent evolutionary relationships with tree diagrams (also called cladograms) because new life forms appear the way new branches ...

The evolutionary history of freshwater fishes is a rich tapestry woven from both molecular and palaeontological threads. Over millions of years, ... Cladistics: A method of ...

Simplified cladogram of Gnathifera showing Juracanthocephalus in red color ... Jurassic fossil sheds light on evolutionary origins of thorny-headed worms. Chinese Academy of Sciences Headquarters.