BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 24, Problem 9SA
Among living animals, only birds have ________.
| a. a cloaca | c. feathers |
| b. a four-chambered heart | d. amniote eggs |
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Chapter 24 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 24 - All chordates have a _______ as embryos. a....Ch. 24 - Prob. 2SACh. 24 - Vertebrate jaws evolved from _______. a. gill...Ch. 24 - Prob. 4SACh. 24 - A divergence from ________ gave rise to tetrapods....Ch. 24 - Reptiles, including birds, belong to one major...Ch. 24 - Reptiles are adapted to life on land by ______. a....Ch. 24 - The closest modern relatives of birds are...Ch. 24 - Among living animals, only birds have ________. a....Ch. 24 - The defining trait of hominins is __________. a....
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- Annelids and_______ have a closed circulatory system. a. insects c. flatworms b. cephalopods d. sea starsarrow_forward______include the only winged invertebrates. a. Cnidarians c. Insects b. Echinoderms d. Crustaceansarrow_forwardTurtles, lizards, and birds belong to one major lineage of amniotes, and_______ belong to another. a. sharks c. mammals b. frogs and toads d. salamandersarrow_forward
- A bird or feathered dinosaur is ________. a. Neornithes b. Archaeopteryx c. Enantiornithes d. Paleognathaearrow_forward_____have scaleless skin and a heart with three chambers. a. Amphibians c. Ray-finned fishes b. Mammals d. Snakesarrow_forwardUnlike Archaeopteryx, modern birds have_______ . a. a long bony tail c. a two-chambered heart b. a toothless beak d. feathersarrow_forward
- The outermost germ layer in a vertebrate gastrula is the____ . a. endoderm c. mesoderm b. ectoderm d. dermisarrow_forwardImagine an animal's body has a space where organs like kidneys and liver are located. If this space is surrounded by mesoderm, it is a/n ___ A. pseudocoelom B. archenteron C. coelom D. visceraarrow_forwardSquamata includes_______. a. crocodiles and alligators b. turtles c. tuataras d. lizards and snakesarrow_forward
- Compared to the other living apes, modern humans have_____ . a. a smaller brain b. shorter, finer body hairs c. greater sexual dimorphism in body size d. shorter, weaker thumbsarrow_forwardThe group of mammals that still lays eggs is referred to as a. Marsupials b. All lay eggs c. Placental Mammals d. Monotremesarrow_forwardBirds are the only modern amniotes with ____. a. wings b. a four-chambered heart c. feathers d. more than one of these e. ectothermic metabolismarrow_forward
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