![]() ![]() treculeana indirectly by reducing its cost of pollination. Enter the number 20 in the left box, and 30 in the right box (you can change these numbers. ![]() Select 'Confidence' in the 'General' section. To see this, you may have to change several settings: In the 'Windows' menu, select 'User Preferences'. The results indicate that natural enemies can benefit Y. Sqwincher® has been an integral part of helping our professional anglers meet their hydration needs in both extreme heat and cold weather situations. Sequencher can display sequence qualities by changing the background behind the bases in text windows. The reason for the latter effect is unclear but is linked with differences in ovule numbers per fruit. In one year, fruits that contained at least some parasitized larvae produced significantly more intact seeds than ones with only nonparasitized larvae, whereas the opposite effect was found in the second year. In the two years of study in a population of Yucca treculeana Carrière (Agavaceae) in west Texas, per capita seed consumption by parasitized larvae of both a pollinator and a nonpollinator yucca moth were significantly reduced when compared to that of nonparasitized conspecific larvae. We tested this hypothesis, asking whether a specialized parasitoid wasp that kills yucca moth larvae before they have completed seed feeding will increase the production of intact yucca seeds. One potential pathway to increase such exploitation at the expense of the mutualist partner is through indirect mutualism across trophic levels, where the natural enemy of a pollinator could reduce pollination costs to the plant. In obligate pollination mutualism, selection should favor increased exploitation by either party at the expense of the other. ![]()
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