Assertion: kangaroo rat's performance | /r/HasProperty | required by the organism
Facets:
Source sentences:
text: In fact, [because] living organisms are designed by a Perfect Engineer, they should reflect not only the best possible solution to various problems presented by the environment, but also utilize the most efficient solutions—those expending the least amount of energy and materials while producing the exact degree of performance required by the organism, and, at the same time, with little or [in a pre-Fall world] no waste.