To rate this resource, click a star:
A new species of velvet worm was recently discovered in Vietnam. This news brief from September 2013 describes the key position of velvet worms in evolutionary history and how they help us better understand the fossil record of the Cambrian period.
UC Museum of Paleontology
This article includes a set of discussion and extension questions for use in class. It also includes hints about related lessons that might be used in conjunction with this one. Get more tips for using Evo in the News articles in your classroom.
Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details.
- Biological evolution accounts for diversity over long periods of time. (LS4.A, LS4.D)
- Life forms of the past were in some ways very different from living forms of today, but in other ways very similar. (LS4.A)
- Present-day species evolved from earlier species; the relatedness of organisms is the result of common ancestry. (LS4.A)
- The fossil record provides evidence for evolution.
- The fossil record documents the biodiversity of the past.
- There are similarities and differences among fossils and living organisms.
- Our knowledge of the evolution of living things is always being refined as we gather more evidence.
- Our understanding of life through time is based upon multiple lines of evidence.
- Scientists use the similarity of DNA nucleotide sequences to infer the relatedness of taxa. (LS4.A)
- Scientists use anatomical evidence to infer the relatedness of taxa. (LS4.A)
- Scientists use fossils (including sequences of fossils showing gradual change over time) to learn about past life.