Term
Phylum Anthropoda (artho=joined, poda=foot) |
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Definition
- Diverse (2-10million)
- jointed appendages
- locomotion
- feeding
- reproduction
- defense
- sensing environment
- Segmented body
- Coelomate
- Open circulatory system
- Developed organ system
- Exoskeleton make of chitin
- Protection
- Moisure barrier
- Place for muscle attachment
*Bold words are prominent characteristics of the phylum. |
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Term
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Definition
- Consist of Spiders and scorpions
- Body structure
- Chelicerae(feeding)
- Pedipalps(capturing prey)
- Two body regions include cephalothorax and abdomen.
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Term
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Definition
- Horseshoe crabs
- Genus Limulus
- Subphy.: Chelicerata
- Phy: Antropoda
- Body Structure
- Carapace
- 5 pairs of appendages (walking)
- Anterior legs are pedipalps and chelicerae
- Posterior are chilaria
- Book gills (respiration)
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Term
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Definition
- Subphylum: Chelicerates
- Class: Arachnida
- Scopions, ticks, mites and daddy longlegs, spiders
- Structure
- Cephalothorax has chelicerae modified as fangs
- Pedipalps
- Scorpion
- first terrestial arthopods
- Lack fused segments (unqiue)
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Term
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Definition
- Crawfish, crabs and shrimps
- Structure:
- Biramous (double-branched appendages)
- Two pairs of antennae
- Compound eyes
- Called mandibulates because they have opposing mandibles derived from an anterior pair of appendages.
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