Bio 322 final Exam-Questions with Correct Answers/ Verified/ Latest Update
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Course
Bio 322
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Bio 322
Phylum Arthropoda (generic) - - well dvlp nervous system (tricerebrum)
- bilateral sym, triploblastic, coelomate
- body segmented internally and externally (joint appendages)
- open circulatory system: hemocoel (blood can leave vessels and go back in)
- gut complete, well dvlp
- usually pair o...
Bio 322 final Exam -Questions with Cor rect Answers/ Verified/ Latest Update Phylum Arthropoda (generic) - ✔✔- well dvlp nervous system (tricerebrum) - bilateral sym, triploblastic, coelomate - body segmented internally and externally (joint appendages) - open circulatory system: hemocoel (blood can leave vessels and go back in) - gut complete, well dvlp - usually pair of compound eyes (ommatidia) Subphylum Trilobitomorpha - ✔✔- marine arthropods; extinct - body made of distinct head (cephalon) -- fused to the posterior portion of the body (pygidium) - head bears antennae - 2 well dvlp eyes (look compound based on fossils) - 4 pairs of appendages Subphylum Uniramia (morph) - ✔✔- ph. arthro. - body composed of 3 tagmata - all appendages multi articulated and uniramous - head w/ antennae, mandibles, and various numbers of feeding appendages - mandibles are whole limb jaws w a single biting surface - compound eyes w ocelli in most Subphylum Uniramia (systems) - ✔✔- gas exchange by tracheal system with spiracles (openings in body that let gases in/out) - Malpighian tubules for excretion - dioecious Subclass Chilopoda - ✔✔- ph. arthro, sub uniramia, class myriapoda - centipedes - 1 leg per somite; 15 -174 pairs - poison claws - predaceous (active predators) Subclass diplopoda - ✔✔- ph. arthro, sub uniramia, class myriapoda - millipedes - 2 legs per somite - produce hydrocyanic acid -- warning coloration common - slow moving, herbac eous scavengers Class hexapoda (generic) - ✔✔- ph arthro, sub uniramia - insects - open circulatory syst - malpighian tubules for excretion/osmoregulation - 3 tagmata (fused metameric segments): head, thorax and abdomen - trachea system w spiracles (openi ng on integument for gas exchange) Hexapoda orders: Lepidoptera - ✔✔butterflies, moths Cl. Hexapoda orders: coleoptera - ✔✔beetles (largest order) Cl. Hexapoda orders: isoptera - ✔✔termites (eusocial) Cl. Hexapoda orders: odonata - ✔✔dragonflies Cl. Hexapoda orders: orthoptera - ✔✔grasshoppers, crickets Cl. Hexapoda orders: hymenoptera - ✔✔bees, wasps, ants
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