 
 <prompt> Wetin be di kain changes wey Darwin dey tok about? Based on di previous question, write one context wey get di answer. E fit be 1 - 20 sentences. Context: <response>: ```Chapter I dey tok about animal husbandry and plant breeding, wey dey trace back to ancient Egypt. Darwin dey discuss contemporary opinions on top how different breeds wey dey under cultivation take originate from common ancestors through selective breeding. As e dey illustrate artificial selection, e describe fancy pigeon breeding, talk say "[t]he diversity of the breeds na something wey dey amazing", but all of dem dey come from one species of rock pigeon. Darwin see two different kinds of variation: (1) rare abrupt changes wey e call "sports" or "monstrosities" (example: ancon sheep with short legs), and (2) common small differences (example: slightly shorter or longer bill of pigeons). Both types of hereditary changes fit dey useful to breeders. However, for Darwin the small changes na the most important for evolution.``` 