exam 4 bz 110

• which structure is found in both prokaryotes and eukaryotes?


  ribosomes
• which characteristic is not seen in arthropods?


  closed circulatory system
• which phylum is not triploblastic: Platyhelminthes, arthropoda, cnidaria, chordata

  Cnidaria
• which phylum has a pseudocoelom body cavity: Platyhelminthes, chordata, Nematoda, Mollusca 


  Nematoda
• the process in which mature mRNA is read by a ribosome and a protein is synthesized is called?

  translation
• the mandibles of insects are homologous to the chelicerae of spiders?

  false
• the outer cuticle of arthropods is primarily made of chitin while the outer cuticle of nematodes is primarily made of collagen


  true
• which class in the sub-phylum myriapoda has one pair of legs per segment?

  Chilopoda
• the blastopore becomes what structure in deuterostomes?

  the anus
• mites and ticks are in which Chelicerate Order?

  Acarina
• bilateral symmetry has been lost in Echinoderms at all stages of development

  false
• wings broad and covered in scales

  Lepidoptera
• Hindwings modified into sensory halteres


  Diptera
• Forewings modified into protective elytra

  Coleoptera
• Hindwing and forewing coupled together by hook like hamuli

  Hymenoptera
• barnacles are what kind of animal

  crustacean
• the feeding tentacles of sea cucumbers are homologous to what structures you would find in a starfish?


  the tube feet of the starfish
• Echinoderms are members of the Ecdysozoa clade and possess an outer cuticle that is shed regularly as part of growth and development

  false
• which characteristic of Tunicates makes them unique when compared to all other animals?

  body wall contains cellulose
• each of these fish use lungs to breathe on land: lung fish, bichir, and mudskippers

  false
• which characteristics do all members of the phylum chordata exhibit at some point in their development?

  notochord, dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail
• which classes of fish have cartilaginous skeletons?

  sharks, hagfish, lampreys
• which classes of fish have jaws and paired appendages?


  ray finned fish, sharks, lobed finned fish
• which group of Chordates retains all 5 chordate synapomorphies as an adult?


  Cephalochordata
• What does neoteny mean?

  Axolotls retain juvenile characteristics into adulthood
• which amphibian characteristic below is found only in Caecilians?

  sensory tentacles
• frogs have several unique adaptations for jumping. one of these is a unique joint found in their spines. what is this join called?

  the Ilio-sacral joint
• Chytridiomycosis is a skin disease that is decimating many amphibian populations across the world. what type of pathogenic organism is the cause of this disease?


  fungus
• the evolution of the amniotic egg was essential for the evolution of fully terrestrial tetrapods. which structure in the amniotic egg encloses the embryo in a fluid filled sac thereby protecting it from the shock and desiccation?

  amnion
• Tuatara, like other lizards, is in the Order Squamata

  false
• Tetrapods are most closely related to which group of fish


  lobed finned fish
• which of the following skeletal features of turtles is not seen in any other group of vertebrates?shoulders found within ribcage
• which of the following skeletal features of turtles is not seen in any other group of vertebrates?

  shoulders found within ribcage
• form of asexual reproduction in which embryo develops directly from unfertilized egg

  parthenogenesis
• young develop and are nourished within mother until born as fully or partially developed juvenile

  viviparous
• reproduce by laying eggs outside of body

  oviparous
• Colorful sponges w/ needle-shaped or four-rayed spicules. True spongin skeleton. Up to 1m in height. Includes bath sponges and one freshwater family.

  Desmospongiae
• which organelle arose through endosymbiosis

  mitochondria
• DNA is only found in:

  Both prokaryotes and eukaryotes
• Ribosomes are found in:

  both prokaryotes and eukaryotes