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QuoteRef: wallAR8_1858
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Topic:
evolutionary systems
Topic:
ethics
Topic:
the effect of scale
Topic:
change
Reference
Wallace, A.R., "On the tendency of varieties to depart indefinitely from the original type", Journal of the Proceedings of the Linnean Society, 3, August 1858, pp. 53-62. Google
Other Reference
p. 326-337 in Brackman, A.C., A Delicate Arrangement. The strange case of Charles Darwin and Alfred Russel Wallace, Times Books, 1980.
Published before 1923
327 ;;Quote: the life of wild animals is a struggle for existence; procuring food, avoiding attacks, preserving their offspring, preserving the species
328 ;;Quote: each year an immense number of birds must perish; twice the population dies annually
328+;;Quote: each animal depends on itself; those that die must be the weakest
331 ;;Quote: slight differences lead to differences in survival and new species; an altered environment can exterminate varieties and parents of varieties
331+;;Quote: a new species can not revert to the original form; the original can not compete with the new
333 ;;Quote: any cause however slight can lead to new species; because nature deals with nearly infinite individuals and time scales
334 ;;Quote: to survive in the wild, a domestic animal must return to something like the original wild stock
Topic: evolutionary systems (47 items)
Topic: ethics (46 items)
Topic: the effect of scale (17 items)
Topic: change (28 items)