The Time Machine As I understand it, Darwin in his book ORIGIN OF THE SPECIES published in 1865, argues that natural selection leads to adaptive improvement. Or even, if evolution isn't under the influence of natural selection, this could still lead to divergence and diversity. Other levels: Let's Begin, Level 1, Level 2, Level 4, Level 5, Level 6 Let's Go Level 3 maximizes children's talking time in class through dialogues, pair work and communicative games.
dark reflective medium-paced. 149 pages | first published 1895.