Natural selection will only cause evolution if there is enough genetic variation in a population. Before the discovery of Mendelian genetics, one common hypothesis was blending inheritance. But with blending inheritance, genetic variance would be rapidly lost, making evolution by natural selection implausible.
Amazon Kindle Fire (2012) The Kindle Fire has a multitouch-capable 7-inch IPS display, a dual-core processor, and at 14.6 ounces, a pretty lightweight frame. The resolution on that screen is 1024 x 600. The battery is rated to last for eight hours of continuous reading or 7.5 hours of video playback (with WiFi switched off).
Amazon will go big with a 10-inch class tablet, according to DisplaySearch. Amazon. Amazon is expected to bring out a bigger version of the Kindle Fire, as it gradually grows the size of its tablets. Amazon arguably started the small tablet fad when it launched the 7-inch Kindle Fire in November of 2011. And it followed that with 8.9-inch model, announced in September 2012.