Tag Archives: evolution

Top Ten Newly Discovered Species

The International Institute for Species Exploration at Arizona State University announces the 2012 Top 10 New Species List. This was not a trivial task, as there were over 18,000 new species named in 2012. Not all were totally unknown, merely … Continue reading

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Surinam Toad

Surinam Toad (Pipa sp) are some of the oddest members of the Anurans (tailless amphibians) a group that is known for oddness. One of the distinguishing features of Surinam toads is that the incubation of the young occurs in the … Continue reading

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T-Rex, Sparrows, and Triceratops

Cladistics is the best method currently available for hypothesizing relationships among organisms. The basic idea behind cladistics is that members of a group share a common evolutionary history, and are “closely related,” more so to members of the same group … Continue reading

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Happy Birthday Charles Darwin

The modern science of biology is based almost entirely upon the twin theories of Evolution and Natural Selection. We would not have the understanding we do of all aspects of the life sciences if it were not for the theories … Continue reading

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An Eternity of Terror

Approximately 100,000,000 years ago, a wasp flew into a spider’s web, and never got out, and neither did the spider. At the moment of attack they were encased in a tree resin and that eventually became amber. This piece has … Continue reading

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Giant Reptiles and Giant Humans

Around the world and around the web, there are newspapers and magazines that publish a mixture of straight-up news and editorials along side of the most outrageous and farfetched fairy tales. One such is The Canadian. In The Canadian, you … Continue reading

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Zombie Fossils

I was reading Brian Switek at Laelaps who goes on a bit of a rant, albeit a carefully researched and knowledgeable rant, on a favourite topic of mine: the non-existence of living fossils. In his article, he takes on some … Continue reading

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Adaptionism taken too far

Adaptionism is one of the ways of viewing natural selection. Adaptation is the evolutionary process whereby an organism becomes better able to live in its habitat or habitats. ¬†Adaptedness is the state of being adapted: the degree to which an … Continue reading

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Gene Transfer in the Corpse Flower

Although I have been aware of them for many years, I have never seen any of the Rafflesia species; those flowers that bloom once a year, and only for a few days and smell like rotten flesh. Despite, or perhaps … Continue reading

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The Web of Life

As a follow up to my last post on Kleptoplasty in Elysia chlorotica, I want to point out some updates to some of our ideas about the early evolution of life. Most of us who have ever taken a course … Continue reading

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