TASK DEFINITION: In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
PROBLEM: The numerous works by Francisco Goya , the single most extensively represented artist , as well as by Hieronymus Bosch , El Greco , Peter Paul Rubens , Titian , and Diego Vela ́ zquez , are some of the highlights of the collection .

SOLUTION: The collections include many works of Francisco de Goya , Diego Vela ́ zquez , El Greco , Titian and Peter Paul Rubens and Hieronymus Bosch .

PROBLEM: Benzer and Hirsch 's competing philosophies served to provide necessary scientific tension in order to accelerate and enhance developments in behavioral genetics , helping it gain traction as a legitimate area of study in the scientific community .

SOLUTION: Benzer and Hirsch 's competing philosophies developed behavioral genetics , and helped it become a legitimate area of study in the scientific community .

PROBLEM: Haeckel promoted and popularised Charles Darwin 's work in Germany and developed the influential but no longer widely held recapitulation theory ( " ontogeny recapitulates phylogeny " ) claiming that an individual organism 's biological development , or ontogeny , parallels and summarises its species ' evolutionary development , or phylogeny .

SOLUTION:
Haeckel promoted and popularised Charles Darwin 's work in Germany and developed the controversial recapitulation theory ( " ontogeny recapitulates phylogeny " ) .