I've just found a really excellent site called "Ask a Biologist" – just the place if you can't get those burning biology questions answered anywhere else. (They won't do your homework for you, though!) There are some big names there behind the answers, & some great links – well worth a look.
Continue readingCategory: scholarship biology
non-random nature of natural selection: a comment
On that post on the non-random nature of natural selection, Keith says: "evolution cannot prepare them for some future change in that environment." Remind me how this applies/interacts with regards to preadaptations.
Continue readingIs evolution a random process?
Evolution is often characterised – particulary by those who argue against it – as a random process which could not possibly give rise to the complexity and diversity of life on Earth. How true is this?
Continue readingthe nature of science (again)
The new Science curriculum has the 'nature of science' right up there at the top. And why? Because it's so important for people to learn, not just science facts and concepts, but also about what science is: how it's done, the tools and methods scientists use, how they communicate, its history, & how science is […]
Continue readingcell phones & male fertility
Orac's just blogged on a new study that seems to show that heavy cellphone use contributes to male infertility. No doubt this will be all over the headlines in a day or so – so I thought I'd get in first & give you some practice in critical thinking while I'm at it.
Continue readingadaptive radiation in birds
The 2005 Schol Bio paper included the following question. The three examples shown represent just some of the diversity found in bony fish. Use the diversity of the fish and/or any other named group(s) to discuss the following statement: 'Diversity is the end product of evolution.'
Continue readinggood web articles on evolution issues
Here's a link to a set of articles that summarise talks on various aspects of evolution research. They're straightforward & easy to read, & should give you some interesting additional background to some recurring questions.
Continue reading(pseudo)science runs amok
Those of you who've come to one of my Scholarship preparation days may have noticed that I've got a bit of a bee in my bonnet about pseudoscience. It really annoys me when I see science being mis-used to sell a product or promote a particular point of view. A good friend of mine has […]
Continue readingan overview of how we see ourselves
Here's something for your reading list: an excellent extended essay on how our view of human evolution, & of our place in the world, has changed over time. Enjoy!
Continue readingcoevolution of bats & flowers
One of the questions in the 2007 90717 paper was on an example of coevolution in bats & flowers. I had a look at the original reference and it's such a neat example, I thought you might be interested in hearing a bit more detail about it.
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