This text is missing some spaces, please add them: Thesmallflowersareinfactsurroundedbycolouredleaves,knownas'bracts'.
The small flowers are in fact surrounded by coloured leaves, known as 'bracts'.
This text is missing some spaces, please add them: TheyincludedabiographicalsketchbasedonthewritingsbytheEnglish-GermanphysiologistWilliamPreyer(1841-97),aprominentpopulariserofDarwin'sthoughtsinGermany.HansenandJrgensenprobablyfoundtheinformationonDarwin'slifeandcareerinPreyer's1869bookDerKampfumdasDaseins.Eightnewillustrationswereaddedtothework,fromanunknownsource,andthreeimagesfromDarwin'sCoralreefs(1842)[andsubsequentworks].
They included a biographical sketch based on the writings by the English-German physiologist William Preyer (1841-97), a prominent populariser of Darwin's thoughts in Germany. Hansen and Jrgensen probably found the information on Darwin's life and career in Preyer's 1869 book Der Kampf um das Daseins. Eight new illustrations were added to the work, from an unknown source, and three images from Darwin's Coral reefs (1842) [and subsequent works].
This text is missing some spaces, please add them: Anothertheoryisthattheybuiltaspiralstaircaseflushwiththesidesofthepyramid.
Another theory is that they built a spiral staircase flush with the sides of the pyramid.