LIBROS DEL AUTOR: r m sadler

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  • The Ecology of Reproduction in Wild and Domestic Mammals
    R.M. Sadler
    49 about six months ... to well over a year. If there is only one part of the year that is favourable, such as spring and early summer in the temperate climates, then each species must make an evolutionary choice, so to speak, as to which parts of the reproductive cycle - conception, gestation, lactation or weanin- must be protected and which can come...
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