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31 Cards in this Set
- Front
- Back
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anthropoda name means
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joint, foot
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coelomate and appendage
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segmented coelomate with jointed appendages
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composition of exoskeleton
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chitin
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molting?
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ecdysis
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coelom only in embryo
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hemocoel ,coelom only in embryo, then reduced in growth
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number of species
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There are more known species of arthropods than all other phyla combined
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two subphylum
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chelicerate mandibulate
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features of each phylum
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chelicerate - chelicera eyes pedipalp
mandibulate - mandible eyes antenna |
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existinct speciey
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trilobite
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mandibulate
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class crustacea
uniramia -centipedes -millipedes class insecta |
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chelicerate
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spiders, horseshoe crab, scorpins
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chelicerate include which group(spiders)?
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arachnids: spiders, scorpins, ticks, scorpins, mites, ticks
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arachnids
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two body sections: celpahalothorax
8 legs (4 segments to thorax) no antenna 1 pair of chelicera |
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Marine Chelicerate
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Horseshoe Crabs
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Mandibulata
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class Crustaceans
clade uniramia - centipedes - millipedes -insects |
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basic body plan of Mandibulata
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head thorax abdomen
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Class Crustacea
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Crabs, Lobsters, Shrimp, Barnacles, Crayfish
Rollie-Pollie “pill bugs” |
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crayfish anatomy
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antenna, walking legs, swimere,
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Insecta
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Basic Arthropod features
Malpighian tubules Trachea , spiracles Ovipositors |
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larva-pupa-pupa-emerging adult-adult
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development
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eat insects is called
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entomophagy
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entomophagy
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good source of protein
can be dried and powdered stores well |
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orthoptera
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grasshopper,crickets
- wings: 2 pairs -2 jumping legs -extended pronotum covering dorsal thorax -chewing mouthparts |
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Lepitdoptera
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moths, butterfly
4 wings 2 pairs of membranous wings - covered in powedery scales |
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Coleoptera
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lady beetle, beetles
2 pairs of wings -1 pair of wings leathery- Elytra - meet in a line down back |
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Diptera
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mosquito, fly
1 pair of membranous wings Halters -balance -direction |
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Diptera exercise
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antennae
calypters eyes haltere proboscis wings |
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Hymenoptera
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Bees, wasps, ants
2 pair of membranous wings Constricted abdomen |
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reproduction in Hymenoptera
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Asexual reproduction is common- (parthenogenesis)
Fertilized eggs (2n) become queens Unfertilized eggs (n) are drones. In some species reportedly have no males at all !! Reproduce by 2n eggs. |
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function of Malpighian tubules
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collect wastes
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insects' leg anatomy
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tibia
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