In the sixth edition Darwin inserted a new chapter VII (renumbering the subsequent chapters) to respond to criticisms of earlier editions, including the objection that many features of organisms were not adaptive and could not have been produced by natural selection. He said some such features could have been by-products of adaptive changes to other features, and that often features seemed non-adaptive because their function was unknown, as shown by his book on Fertilisation of Orchids that explained how their elaborate structures facilitated pollination by insects. Much of the chapter responds to George Jackson Mivart's criticisms, including his claim that features such as baleen filters in whales, flatfish with both eyes on one side and the camouflage of stick insects could not have evolved through natural selection because intermediate stages would not have been adaptive. Darwin proposed scenarios for the incremental evolution of each feature.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): What was Darwin's response to the claims that certain animals could not have evolved through natural selection?
Ah, so.. Darwin proposed scenarios for the incremental evolution of each feature.

Though still predominantly green, post-2004 series incorporate other colors to better distinguish different denominations. As a result of a 2008 decision in an accessibility lawsuit filed by the American Council of the Blind, the Bureau of Engraving and Printing is planning to implement a raised tactile feature in the next redesign of each note, except the $1 and the version of the $100 bill already in process. It also plans larger, higher-contrast numerals, more color differences, and distribution of currency readers to assist the visually impaired during the transition period.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): What color was predominantly used?
Ah, so.. green

IBM acquired Kenexa (2012) and SPSS (2009) and PwC's consulting business (2002), spinning off companies like printer manufacturer Lexmark (1991), and selling off product lines like its personal computer and x86 server businesses to Lenovo (2005, 2014). In 2014, IBM announced that it would go "fabless" by offloading IBM Micro Electronics semiconductor manufacturing to GlobalFoundries, a leader in advanced technology manufacturing, citing that semiconductor manufacturing is a capital-intensive business which is challenging to operate without scale. This transition had progressed as of early 2015[update].
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): IBM sold two product lines to Lenovo, name them.
Ah, so..
personal computer and x86 server