It is possible that Darwin was influenced by the essay on populations by:
1. Carl Correns 2. Charles Lyell
3. Thomas Malthus 4. A. R. Wallace
Subtopic:  Modern Theory of Evolution |
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Hugo de Vries based on his work on evening primrose brought forth the idea of:
1. continuous variations 2. mutations
3. genetic drift 4. genetic death
Subtopic:  Modern Theory of Evolution |
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Given below is the representative evolutionary history of vertebrates through geological periods. A, B, C, and D, respectively, are:
  

1.  Dinosaurs, Thecodonts, Therapsids, and Pelycousurs
2.  Dinosaurs, Therapsids, Thecodonts, and Pelycosaurs
3.  Pelycosaurs, Therapsids, Thecodonts, and Dinosaurs
4.  Theraosids, Dinosaurs, Pelycosaurs, and Thecodonts
Subtopic:  Modern Theory of Evolution |
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