but we can see why they should not have been rendered as constant and uniform as others, for they are accumulated by sexual selection, which is less rigid in its action than ordinary selection, as it does not entail death, but only gives fewer offspring to the less favoured males.
baina ikus dezakegu ez direla beste batzuk bezain iraunkor eta uniforme bihurtu; izan ere, hautespen sexualez metatzen dira, eta hau ez da bere ihardunean hautespen arrunta bezain zorrotza, ez baitakar, ekarri ere, heriotzarik, ar gutxiago faboratuek ondorengo gutxiago izatea baizik.