-sebadamani. Arab slave trading routes: some of the towns & ports. Indian Ocean (Debal/Karachi/Sindh Pakistan, Janjira/India, Surat/India), Arabian Peninsula (Zabid/Aden/Yemen, Muscat/Oman, Socotra/Indian Ocean).
Evolution is the change in the inherited characteristics of biological populations over successive generations.
Spinosaurus: Pending further discoveries, Spinosaurus is the current record-holder in the "world's largest carnivorous dinosaur" category: full-grown adults outweighed Tyrannosaurus Rex by about a ton and Giganotosaurus by about half a ton. Since so few Spinosaurus fossils are extant, it's possible that other individuals were even larger!