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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. 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.” 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 Authentic jordans cheap real jordans cheap wholesale jordans cheap jordans free shipping cheap jordans for sale cheap jordan shoes http://cheapjordansstock.com cheap retro jordans http://users.atw.hu/sj...rum_topic&topic=39197 http://www.villarental.../contact-us#comment-87245 http://www.knorretty.c...hread.php?thread_id=10091 |