Review of class quiz 9/22: 1. The concentration of sensory organs is associated with what? Cephalization 2. Cephalopods move by what mechanism? Jet propulsion 3. Molting characterizes what group of organisms? Ecdysozoans 4. A mutation in the development of gill arches is the leading hypothesis for the development of what? Jaws Practice quiz: 1. Which of the following is not a key animal trait? A. Multicellularity B. Cell walls C. Heterotrophy D. Motility 2. The earliest animal to develop in the fossil record was the A. Sponge B. Choanoflagelate C. Lobe-finned fish D. None of the above 3. Diploblasts have which germ layers i. Endoderm ii. Mesoderm iii. Ectoderm A. i, and ii B. i, ii, and iii C. ii, and iii D. i, and iii 4. An organisms that lost their fluid-filled body cavity between their ectoderm and endoderm is a(n) A. Coelomate B. Acoelomate C. Psuedocoelomate D. None of the above 5. A Deuterostome has layers of mesoderm cells that pinch off to form the coelom True False 6. Which animal group is classified as “egg-bearing” A. Vivparous B. Oviparous C. Ovoviviparous D. None of the above 7. A Lophophore is a specialized structure in many Lophotrochozoans that functions in A. Feeding B. Swimming C. Both A. and B. D. None of the above 8. A foot, visceral mass, and mantle are parts of what lineage of Protostomes A. Rotifers B. Arthropods C. Mollusca D. Annelida 9. Lophotrochozoans usually have radial cleavage True False 10. Which of the following is not a characteristic of an Arthropod A. Segmented bodies B. Endoskeleton c. Jointed appendages D. All of the above 11. Hemimetabolous metamorphosis has a distinct larval stage True False 12. An organism from the lineage Insecta, includes which of the following A. Two pairs of walking legs B. One or two pairs of walking legs C. One or two pairs of wings D. All of the above 13. Echinodermata are spiny-skinned marine animals that have radially symmetrical adults, and bilaterally symmetrical larvae True False 14. Chordates have which of the following features A. Pharyngeal gill slits B. Notochord C. Post-anal tail D. All of the above 15. How do Tunicates (Urochordates) fertilize their eggs A. Internally B. Externally C. Both A. and B. D. None of the above 16. A vertebrate has a cranium that can be made from either A. A bony substance B. A cartilaginous substance C. A fibrous case D. All of the above 17. Parental care is an innovation in vertebrates, that hinders its fitness True False 18. Wings and feathers evolved independently in feathered dinosaurs, which includes all birds. True False 19. Ray-finned fishes have a swim bladder that provides what A. Resistance to drag B. Buoyancy C. Necessary oxygen D. All of the above 20. Mammals regulate their body temperature by A. Exothermy B. Endothermy C. Both A. and B. D. None of the above Terms: Neurons Fossils Comparative morphology Comparative genomics Monophyletic Paraphyletic Tissues Diploblast Triploblasts Ectoderm Mesoderm Endoderm Symmetry Radial symmetry Bilateral symmetry Nerve net Centralized nervous system (CNS) Cephalization Coelomates Acoelomates Pseudocoelomates Protostomes Deuterostomes Sensory Abilities Magnetic field-detect magnetic fields for navigation Electric field-detect electrical activity in the muscles Barometric pressure-sensing changes in air pressure Detritivores Herbivores Carnivores Omnivores Limbs Viviparous Oviparous Ovoviviparous Protostomes Lophotrochozoa Lophophore Trochophore Spiral cleavage Rotifers Platyhelinthes Annelida Chaetae Parapodia Mollusca Foot Visceral mass Mantle Bivalves Gastropods Chitons Cephalopods Siphon Jet propulsion Ecdysozoa Cuticle Arthropod Homcoel Origin of the wing Hemimetabolous metamorphosis Holometabolous metamorphosis Nematode Myriopoda Insecta Head Thorax Abdomen Crustacea Cephalothorax Carapace Chelicerata Tagmata Deuterostomes Echinodermata Chordates Pharyngeal gill slits Dorsal hollow nerve cord Notochord Post-anal tail Cephalochordates (Lancelets) Uorchordates (tunicates or sea squirts) Vertebrates Vertebrate: Jaw Tetrapod limbs Amniotic egg Placenta Parental care Gestation Lactate Keel Endothermic Hagfish and Lamphreys Sharks, rays, skates Ray-finned fishes Lobe-finned fishes and Coelacanths Amphibians Mammals Hair or fur Endothermy Mammary glands Monotremes Marsupials Eutheria-rodents, bats, primates Primates Reptiles Ectothermic Snakes and lizards Fangs Turtles and tortoises