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About: Dive into the fascinating world of crab evolution with this bingo card all about carcinization. Perfect for marine biology classes, science trivia nights, or anyone obsessed with crabs and crustaceans, it explores the quirky evolutionary pathway that turns all sorts of crustaceans into crab-like creatures. You’ll spot plenty of cool facts, oddities, and scientific milestones that make crab evolution a truly mind-bending example of nature’s creativity.
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This BINGO Cards Game contains following Words or Phrases: Carcinization is the evolution of non-crab Crustaceans into crab-like body shapes., Porcelain crabs are non-crab Crustaceans which went through Carcinization., True crabs are a part of the infraorder Brachyura., King crabs evolved from hermit crab ancestors, also going through Carcinization., The process of becoming crab-like has happened over 5 times in recent history., Decarcinization is the reverse of carcinization., Squat lobsters are only "half carcinized" due to their visible pleon., The flattened bodies of crabs help them wedge into tight spaces., The Hairy Stone Crab (Lomis hirta) is a "singleton" carcinized crab species., Some crabs lose their crab-like forms again, known as Decarcinization., King crabs evolved from the hermit crab genus Pagurus., Porcelain Crabs (Porcellanidae) are part of the group Anomura., The pleon (abdomen) tucks under in carcinized forms., Carcinization has occurred for over 200 million years., Uropods are usually lost or reduced during the Carcinization process., Some crabs still have a coiled abdomen, just like Hermit Crabs., The term "carcinization" was first used by Lancelot Borradaile in 1916., Carcinized crustaceans have wide carapaces., King crabs are fully carcinized, yet are still asymmetrical unlike most crabs., The sternum is wide and flat in crabs., Multiple crab-like groups independently evolved crab-like traits., "Crab-like" does not always mean "closely related.", Carcinization leads to much smaller pleonal muscles., Carcinized crabs often prefer to live under rocks and cracks, compared to non-crab Crustaceans., Fossils are one way scientists can track the process of Carcinization., Often, Decarcinized Crustaceans are mistaken for mole crabs., The endophragmal skeleton changes during the process of carcinization., Carcinization can also affect internal organs, not just appearance., Squat lobsters and porcelain crabs share a common ancestor., The Linea Anomurica is a molting-related fracture line in crab carapaces., Evolutionary pressures shaped crab body plans., Some species have gone through hypercarcinization, such as certain Porcelain crabs (Allopetrolisthes spinifrons)., True crabs have been evolving since the Jurassic., Crab body shapes can be found in both marine and land species., Different crab species show varying degrees of carcinization. Some are half-carcinized, while others are hypercarcinized., The crab-like shape is the most optimal for walking compared to other crustacean shapes., Flattened pleons reduce drag in crawling environments., Fossil crabs often show partial or full carcinization., Carcinization is a major example of convergent evolution., Porcelain crabs have a hidden 5th pair of legs, a trait of Anomuras., Anomurans hide their last leg pair in their gill chamber., Some carcinized crabs are still asymmetrical., Crabs are part of the order Decapoda, meaning 10 legs., One of the primary reasons for Carcinization is for locomotive purposes, as the crab shape is very effective., The crab-like shape is better at deterring predators compared to most Crustacean shapes, due to its defensiveness., King crabs carcinized less than 25 million years., Decarcinized crabs often appear shrimp-like again., The Infraorder Brachyura contains more than 7,000 species., Some crab lineages have sexual dimorphism, seen in their pleons..