crocs and relatives homed dome- heads duckbills souropods prosauropods other theropods ornithischians dinosaurs theropods saurischians ornithodirans (archosaurs related to birds) archosaurs (ruling reptiles) Birds are dinosaurs. However, an old, traditional grouping does not include birds in dinosaurs. According to the traditional classification, the would then be considered 0000 Not phyletic Monophyletic Polyphyletic Paraphyletic group dinosaurs

crocs and relatives homed dome- heads duckbills souropods prosauropods other theropods ornithischians dinosaurs theropods saurischians ornithodirans (archosaurs related to birds) archosaurs (ruling reptiles) Birds are dinosaurs. However, an old, traditional grouping does not include birds in dinosaurs. According to the traditional classification, the would then be considered 0000 Not phyletic Monophyletic Polyphyletic Paraphyletic group dinosaurs

Biology: The Unity and Diversity of Life (MindTap Course List)

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter25: Animal Evolution-the Chordates

Section: Chapter Questions

Problem 5SQ: Tetra pods evolved from ___ . a. sharks b. teleosts c. lobe-finned fishes d. placoderms

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Tetra pods evolved from ___ . a. sharks b. teleosts c. lobe-finned fishes d. placoderms
Figure 15.33 Which of the following statements about common features of chordates is true? a. The dorsal hollow nerve cord is part of the chordate central nervous system. b. In vertebrate fishes, the pharyngeal slits become the gills. c. Humans are not chordates because humans do not have a tail. d. Vertebrates do not have a notochord at any point in their development; instead, they have a vertebral column.
A bird or feathered dinosaur is. Neornithes Archaeopteryx Enantiornithes Paleognathae
Match each group with its description. _____ hominins a. first to be found outside Africa _____ tarsiers b. modem humans _____ Homo erectus c. defined by bipedalism _____ Homo sapiens d. primates, but not anthropoids. _____ Homohabilis e. short-statured hobbits _____ Homo floresiensis f. name means handy man
Australopiths are__________ a. extinct b. placental mammals c. hominoids d. all of the above
Match the organisms with the appropriate description. ___ tunicates a. pouched mammals ___ fishes b. invertebrate chordates ___ amphibians c. feathered amniotes ___ primates d. egg-laying mammals ___ birds e. oldest vertebrate lineage ___ monotremes f. have grasping hands with nails ___ marsupials g. first land tetrapods ___ placental mammals h. most diverse mammal lineage
A great adaptive radiation of animals that occurred during the _______ gave rise to modern animal lineages. a. Precambrian c. Cambrian b. Ediacaran d. Jurassic
Arrange the groups in order in which they evolved. ____ 1(earliest) a. Jawless fishes ____ 2 b. Birds ____ 3 c. Dinosaurs ____ 4 d. Amphibians ____ 5(most recent) e. Jawed fishes
Which of the following reptile groups gave rise to modern birds? Lepidosaurs Pterosaurs Anapsids Archosaurs
The Age of Reptiles corresponds to the (a) Paleozoic era (b) Mesozoic era (c) Cenozoic era (d) Pleistocene epoch (e) Permian period
Figure 12.8 Which animals in this figure belong to a clade that includes animals with hair? Which evolved first: hair or the amniotic egg?
Which of the following pairs of structures are homoplastic? a. the wing skeleton of a bird and the wing skeleton of a bat b. thewingofabirdandthewingofafly c. theeyeofafishandtheeyeofahuman d. the bones in the foot of a duck and the bones in the foot of a chicken e. the toes on the foot of a lizard and the toes on the foot of a human