Scientists may get deeper insight into some aspects of aging by studying rats, which live an average of two years, or monkeys which live 15 to 20 years, because the shorter life span yields crucial data on aging in a much shorter time.
(Scientists; may get; deeper insight; into some aspects of aging; because the shorter life span yields crucial data on aging in a much shorter time) (rats, which live an average of two years, or monkeys; live; T:15 to 20 years) (the shorter life span; yields; crucial data; T:on aging; T:in a much shorter time)
Scientists rats, which live an average of two years, or monkeys the shorter life span
may get live yields
deeper insight into some aspects of aging because the shorter life span yields crucial data on aging in a much shorter time
T:15 to 20 years
crucial data T:on aging T:in a much shorter time