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Crustaceans. Carapace. Antennae. Phylum : Arthropoda Class : Crustacea 甲殼綱. Jointed appendages. carapace. antennae. Tail fan for escape movement. rostrum. chela. abdomen. walking legs. with swimmeret for swimming. Carapace. Shore crab. Sand crab. Fiddler crab. Horse-shoe
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Carapace Antennae Phylum : Arthropoda Class : Crustacea 甲殼綱 Jointed appendages
carapace antennae Tail fan for escape movement rostrum chela abdomen walking legs with swimmeret for swimming
Carapace Shore crab
Horse-shoe crab
Horseshoe crab / kingcrab
Phylum : Arthropoda Class : Myriapoda 多足綱 A centipede
Phylum : Arthropoda Class : Arachnida 蜘蛛網 4 pairs of jointed legs Head & throrax fused together A long-leg crab spider
Phylum : Arthropoda Class : Insecta 昆蟲綱 A fly
1 pair of compound eyes head thorax Abdomen 2 pairs of wings
Complete metamorphosis ( 完全變態 ) Adult ( imago ) eggs pupa Larva
Incomplete metamorphosis Adult eggs nymph