背景 发表于 2025-3-23 10:01:40

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BINGE 发表于 2025-3-23 16:18:00

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使残废 发表于 2025-3-23 20:28:47

Sperm Attachment on the Egg of Malaysian King Crab, ,similar to the other three horseshoe crab species, ., and . The sperm consists of a head, 4.6 µm, containing the nucleus capped with an acrosomal vesicle, and a long flagellum, 33 µm. The spherical egg (2.25–2.58 mm in diameter) consists of two main parts: yolk and chorion. The chorion is composed o

序曲 发表于 2025-3-23 23:35:25

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Hyperplasia 发表于 2025-3-24 03:56:06

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CARE 发表于 2025-3-24 08:40:27

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用树皮 发表于 2025-3-24 12:22:46

Distribution of Juvenile Horseshoe Crabs in Subtidal Habitats of Delaware Bay Using a Suction-Dredgeiculties with sampling in this habitat. A suction-dredge was constructed consisting of a “T”-shaped sampling head; an 8-hp trash pump, a 15.2-m-long non-collapsible hose-pipe; and a gunwale-mounted catch-basin to survey newly hatched juvenile horseshoe crabs in shallow subtidal habitats of lower Del

窗帘等 发表于 2025-3-24 18:27:03

Reproductive Competition and Sexual Selection in Horseshoe Crabs synchronously, only ., the American horseshoe crab, has intense male–male competition (high operational sex ratios and multi-male groups around nesting pairs) and very high female nesting densities. These differences in reproductive competition are reflected in differences between American and Asia

蒸发 发表于 2025-3-24 22:46:13

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Additive 发表于 2025-3-25 01:49:14

Daniel Ennöckl,Nicolas Raschauerge-scale environmental parameters that limit their global distribution are . (estuarine environments, continental shelves as avenues of distribution, ocean deeps as deterrents), . which sets boundaries, . that define predominant potential spawning sites, and the influence of ..
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查看完整版本: Titlebook: Biology and Conservation of Horseshoe Crabs; John T. Tanacredi,Mark L. Botton,David Smith Book 2009 Springer-Verlag US 2009 Biome.Ecology.