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That high female mortality could have been important for evolution of the dads’ care-taking, says behavioral ecologist Eric Yip of Penn State. Just why this species has such high female mortality puzzles him, though. Females, geared up for egg-laying, have rich nutrient stores. Yet, he says, “that’s generally true for all spiders — that females are going to be more nutritious and males are going to be mostly legs.” To predators, females “must be very delicious,” Moura says. In the wild he found that many females disappeared, probably eaten, by the end of the breeding season, leaving dads as the sole protector for 68 percent of the egg sacs. Sat, 03 Dec 2016 00:07:42 +0000 https://www.sciencenew...iet-shaped-animals-bodies Science Visualized Animals, Evolution Many male web-building spiders stop feeding as adults because they’re out searching for mates instead of catching food with their web, Moura says. Manogea males, however, stick with a female they mated with and build a new food-catching web. Now Moura would like to know whether such commitment makes males unusually choosy about females, he says. cheap retro jordans http://cheapjordansstock.com cheap jordans free shipping cheap air jordans cheap wholesale jordans cheap jordan shoes cheap real jordans cheap Authentic jordans http://www.frbiz.com/p...7/ipad_cover_cgi_005.html http://www.midwestartfairs.com/node/add/article http://www.b3nson.net/vanilla/activity |