BIOL10210 Chapter Notes - Chapter 1-3: Birth Order, Tubifex Tubifex, Red Queen Hypothesis
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Fi(cid:396)st (cid:272)o(cid:374)se(cid:395)ue(cid:374)(cid:272)e of se(cid:454)/pu(cid:396)pose of se(cid:454) is so that the offsp(cid:396)i(cid:374)g is (cid:374)ot e(cid:454)a(cid:272)tl(cid:455) like it"s (cid:373)othe(cid:396). Human babies are not identical to mothers (sex) bdelloid rotifer is identical to its mother (no sex) 1966; george williams exposed logical flaw in sex; requires animals to ignore short term self interest in order to further survival and evolution of their species. Sex and dispersal often seemed to be linked. Sex provides variety, so sex makes a few exceptional and a few abysmal while asexual reproduction makes them all average. Lottery theory not fully accepted, se(cid:454) does(cid:374)"t e(cid:454)a(cid:272)tl(cid:455) pa(cid:455) off as (cid:373)u(cid:272)h as it should. Asexual creatures small and live in high latitudes and high altitudes, in fresh water, disturbed land in harsh, unpredictable conditions. Creatures that occasionally sexually reproduce like aphids only do so when overcrowded not due to harsh conditions. Evidence in wheat and barley crops, mixtures of different varieties generally yield more than a single variety does.
