EvolutionHard
Question
Jurassic period of the Mesozoic era is characterized by
Options
A.radiation of reptiles and origin of mammal-like reptiles
B.dinosaurs become extinct and angiosperms appear
C.flowering plants and dinosaurs appear
D.gymnosperms are dominant plants and first bird appear
Solution
Jurassic period is the second geological period of Mesozoic era. In this period, the gymnosperms were dominant and the plants included ferns, cycads, Ginko, rushes and conifers. Among animals, important invertebrates included ammonites, corals, brachiopods, bivlves and echinoids. Reptiles dominated the vertebrates and the first flying reptiles the pterosaurs appeared.
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