The idea that our mental terrain decides what information survives in our heads and what gets killed off finds a parallel with a venerable biological theory: Darwin's theory of natural selection.
They will be selected out by competition; the analogy is to natural selection in biological evolution.
他们会被竞争所淘汰；如同生物进化中的自然选择。
3
Wrangham and Kahlenberg agree that "biological predilection" appears to be involved in both toy selection and forms of play among human and non-human primate males and females.