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15 Cards in this Set
- Front
- Back
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Permitted insects as dominant terrestrial class of organisms
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1) Flight
2) Waxy epicuticle 3) Flight 4) Dessication resistant eggs 5) Metamorphosis 6) High reproductive potential 7) Diversification of mouthparts & feeding habits |
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Which subphlyum more closely related to Crustaceans
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Hexapods
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Monophyletic phylum?
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Arthropoda
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Paraphyletic? subphylum
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Crustacean
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Metamerism, tagmatization, jointed exoskelton, ventral nervous syst
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Arthropoda
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Head & trunk, 4 pair head appendages, uniramous appendages
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Subphylum Myriapoda
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Two pair of legs per segment, round
Millipedes |
Class Diplopoda
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One pair leg per segment, oval, poison claws
Centipedes |
Class Chilopoda
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11 segment, soft, 9 leg pairs
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Class Pauropoda
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Long antennae, centipede-like, 10-12 pair, no eyes, spinnerets
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Class Symphyla
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Head, thorax, abdomen; 5 pair of head appendages, 3 pairs of uniramous appendages on thorax
Insects & co. |
Subphylum Hexapoda
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Exposed & projecting mouth appendages, mandibles, well-developed Malpighian tubules
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Class Insecta
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Disgestion & absorption
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Midgut
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Modified like sucking, muscular pharynx
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Foregut
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Reabsorb water
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Hindgut
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