Article 3

Article 3 - Article 3: Evolution in Action By: Jonathan...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Article 3: Evolution in Action By: Jonathan Weiner - Charles Darwin believed that looking for evolution in action was fruitless because evolution took place over many thousands of years o Today, many researchers are changing that view and finding examples of microevolution happening at a rapid pace everywhere - One of the first to change this view was Peter and Rosemary Grant, who studied the same finches that Darwin had studied aboard the Beagle o The alternating dry and wet years had the finches’ beaks changing with each different climate o A few years ago, some molecular biologists pinpointed the gene that works in shaping the finches’ beaks called BMP4 o Now, more than 250 people in the world are looking for evolution in action - Many times, evolution in happening because of the pressures that humans are putting on the natural world. o Pests are becoming resistant to pesticide o Antibiotics are rapidly introducing more resistant bacteria o Hunting of rams has led to smaller rams; this has also happened with cod
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

Article 3 - Article 3: Evolution in Action By: Jonathan...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online