BIO120H1 Study Guide - Final Guide: Standard Deviation, Genetic Diversity, Madagascar Hissing Cockroach
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BIO120H1 Full Course Notes
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X lost through random mutation with no adaptive significance d lost through selection for reduced migralion v : lost throu;h selection to reduce herbivory by antx. Ofthe following ways ofcharacterizing the ature ofthis turnover, which would. Gleasofl be most likely to endorse: turnover would occur primarily at ecotones b, tumover would occul between closed communities c, turnover wouid reflect ofbiotic factors fal. In the agricultufal willamette valley oforegon, which ofthe following problems is the most serious for the. * lnability to find mates at law density (allee effect) Many flowering plants possess chc! iqalppttation against herbivo. es, but such chemical defenses arc compamtively mre or weakly developed in gragses. Which ofthe following best explainslhe difference? a,/because grasslands are subject to frequent fires, grass plants seldom get iarge enough to be attractive to herbivores tfl ilrasses have evolved ahernative defenses that are slruclural, nol chemical c. -.
