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Phylum Crustacea: Order Isopoda
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Sowbugs, pillbugs, wood lice
2 pair of antenna; sensitive to pollution; detritivores; |
Family Sphaeromidae
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Isopod with eyes and abdomen with 2 segments
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Family Cirolanidae
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Isopod lacking eyes and abdomen with 6 segments
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Subphylum Unirami (common traits)
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Uniramous appendages; single pair of antennae; gas exchange through trachea
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Classes of Unirami
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Chilipoda, diplopoda, insecta
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Chilipoda
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Centipedes
1 pair of legs per segment, forcipules, most predacious; indirect sexual reproduction; some brooding |
Diplopoda
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Millipedes
2 pairs of legs per segment; no poison glands; scavengers; roll up when threatened; female may dig nests, chunga loo loo |
Apterygota
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Subclass without wings
Collembola, protura, and diplura All entognathous, lack compound eyes, tentorium not well developed |
Order Proturans
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Discovered by Berlese; prefer moist organic soils; no antennae; no cerci
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Order Thysanura
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Silverfish and firebrats
ectognatous mouthparts; long filiform antennae; 2 cerci and telson |
Order Collembola
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Springtails and snowfleas
have simple ocelli; no wings; furca aids in jumping; live in warm/damp places; cutaneous respiration |
Subclass paleoptera
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Ancient wings
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Order ephemeroptera
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In paleoptera; mayflies
ephemera: there there and then gone; fresh water habitat; vestigial mouthparts; 2 long cerci; adults don't feed; subimago with wings; can't fold wings |
Order Odonata
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In paleoptera
2 subclasses: anisoptera and zygopteran |
Anisoptera
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Odonata; true dragonflies
rest with their wings out from their body; strong biting mouthparts; carnivores; poorly developed antennae; can flap their wings independently; nymphs generally walk though can speed with jet propulsion |