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15 Cards in this Set

  • Front
  • Back
Permitted insects as dominant terrestrial class of organisms
1) Flight
2) Waxy epicuticle
3) Flight
4) Dessication resistant eggs
5) Metamorphosis
6) High reproductive potential
7) Diversification of mouthparts & feeding habits
Which subphlyum more closely related to Crustaceans
Hexapods
Monophyletic phylum?
Arthropoda
Paraphyletic? subphylum
Crustacean
Metamerism, tagmatization, jointed exoskelton, ventral nervous syst
Arthropoda
Head & trunk, 4 pair head appendages, uniramous appendages
Subphylum Myriapoda
Two pair of legs per segment, round

Millipedes
Class Diplopoda
One pair leg per segment, oval, poison claws

Centipedes
Class Chilopoda
11 segment, soft, 9 leg pairs
Class Pauropoda
Long antennae, centipede-like, 10-12 pair, no eyes, spinnerets
Class Symphyla
Head, thorax, abdomen; 5 pair of head appendages, 3 pairs of uniramous appendages on thorax

Insects & co.
Subphylum Hexapoda
Exposed & projecting mouth appendages, mandibles, well-developed Malpighian tubules
Class Insecta
Disgestion & absorption
Midgut
Modified like sucking, muscular pharynx
Foregut
Reabsorb water
Hindgut