Mapa conceptual

|CHARLES DARWIN |
|AUDIO |
| ||  |
|Welcome to "Explorations", in VOA Special English. I'm Steve Ember. This week, Barbara Klein and I tell about one of the most |
|influential thinkers in science history. ||about one of the most: acerca de uno de los más; influential thinkers: influyentes pensadores o filósofos; science history: |
|historia de la ciencia; |
|  ||Charles Darwin developed the theory of how living things develop from simpler organisms over long periods of time. That theory is|
|known as evolution through natural selection. |
|developed: desarrolló; theory: teoría; living things: organismos vivos; develop: evolucionan; through natural selection: a través|
|dela selección natural; |
|  |
|Charles Darwin read widely and sought ideas from other fields of study. He was influenced by Thomas Malthus’ work, "An Essay on |
|thePrinciple of Population" written in 1798. Malthus argued that populations are always limited by the food supply. |
|read widely: leía extensamente; sought ideas: buscó ideas [seek / sought / sought / seeking]; fields of study: disciplinas; |
|influenced by: influido por; An Essay on the Principle of Population: Ensayo sobre el Principio de la Población; argued that: ||sostenía que; limited by: limitadas por; the food supply: el suministro de alimentos; |
|  |
|Darwin would later say that this work caused him to realize the struggle for limited resources was a fact of life. He said small ||changes took place in individual animals. Changes that helped them survive would continue. But those that did not would be |
|destroyed. The result of this would be the formation of new species. |
|would later say: expresaría más adelante; caused him to realize: le hizo darse cuenta de; struggle: lucha, puja; a fact of life: |
|unatriste realidad; took place: ocurrían; changes that helped them survive: los cambios que les ayudaran a sobrevivir; would |
|continue: continuarían; would be destroyed: serían destruídos; the formation of a new species: la creación de una nueva especie; |
|  |
|TheBritish philosopher Herbert Spencer described this struggle as "survival of the fittest." But biologists use the term |
|“natural selection” to describe the evolutionary process. |
|British philosopher: filósofo británico; survival of the fittest: supervivencia de los más aptos (la ley del más fuerte); |...