BIOL 302 Lecture Notes - Lecture 26: Phenotypic Plasticity, Hans Rosling
25 Dec 2017
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Bio 302 lec 26 : human population. Depending on the growrth and fertility rate used: projected to see a plateau (most likely projection, around 9. 3 billion, most of the world population growth is taking place in very few countries (africa and. Is there an end in sight: there appears to (cid:271)e , we see on average women are haing fewer children. [see graph (cid:373)ore wo(cid:373)e(cid:374), fewer kids(cid:895: these declines in fertilit(cid:455) as a per(cid:272)e(cid:374)t growth so wh(cid:455) is(cid:374)"t there a population decline. Education of women and availability to contraceptions and family planning. 4 things can help us stabilize human populations. Massive declines in the reproductive rate: phenotypic plasticity e(cid:454)ter(cid:374)al (cid:272)o(cid:374)ditio(cid:374)s (cid:894)world war, (cid:895) What is the carrying capacity for humans on earth: these estimates depend on, advances in food production and other tech, biodiversity and human capacity. 4 big crops that feed us: 75% of the caloires were taking in.
