Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337670319
Author: STARR
Publisher: Cengage
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Chapter 42, Problem 11SQ
Summary Introduction
Concept introduction: Pharyngeal arches are the characteristic features of chordates. In fishes and tadpoles, the pharyngeal arches develop into gills. In higher vertebrates, pharyngeal arches develop into parts of the respiratory system and head.
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Chapter 42 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 42 - Prob. 1DAACh. 42 - Prob. 2DAACh. 42 - Prob. 3DAACh. 42 - Prob. 4DAACh. 42 - The end product of cleavage is a __________. a....Ch. 42 - The outermost germ layer in a vertebrate gastrula...Ch. 42 - Prob. 3SQCh. 42 - Prob. 4SQCh. 42 - In humans, fertilization typically occurs in the...Ch. 42 - The ________, a fluid-filled sac, surrounds and...
Ch. 42 - The placenta consists of __________. a. embryonic...Ch. 42 - During the fetal period, ____________. a....Ch. 42 - Prob. 9SQCh. 42 - Match each hormone with its action(s). ______...Ch. 42 - Prob. 11SQCh. 42 - Prob. 12SQCh. 42 - Prob. 13SQCh. 42 - Prob. 14SQCh. 42 - Place these events in human development in the...Ch. 42 - The rubella virus causes German measles. If a...Ch. 42 - A nursing mother who has an alcoholic drink...Ch. 42 - To determine the effect of the bicoid gene,...Ch. 42 - If an embryo splits at the two-cell stage, each of...
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- In a developing human, the first organ to form is thea. heart.b. brain.c. notochord.d. liver.arrow_forwardCharacteristics that evolved in birds to allow for flight includea. reptilian-like scales on the legs.b. a hard-shelled amniotic egg.c. internal fertilization.d. thin, hollow bones in the skeleton.arrow_forwardThe pericardial cavity forms froma. evagination of the early digestive tract.b. the neural tube.c. the coelom.d. the branchial arches.e. pharyngeal pouches.arrow_forward
- The pectoral girdle supports the_______. a. arms b. legs c. skull d. thoracic cagearrow_forwardWhich species has the most robust cheek bones? A. Homo erectus B. Homo rudolfensis C. Homo habilis D. Australopithecus afarensisarrow_forwardan amniotic egg was crucial to the evolution of vertebrates because it provides the following to the embryo a) cushioning b) gas exchange c) protection from drying out d) the amniotic provides all of these e) nutritionarrow_forward
- Which species has the most robust cheek bones? A.Homo rudolfensis B.Homo habilis C.Homo erectus D.Australopithecus afarensisarrow_forwardIt is thought that jaws, which are found in the higher vertebrates, evolved from: a. progressive hardening of the cyclostome mouth. b. cartilaginous arches used to support gills. c. small bones associated with the brain capsule. d. the bony teeth found on lamprey tongues.arrow_forwardWhy was it significant that the bones were found to be articulated (their bones hadn’t separated from each other)? A. The individuals arrived in the cave either alive or shortly after the died. B. The individuals had decomposed outside of the cave, and other Homo naledi individuals put their skeletons together inside the cave. C. The bodies must have been placed in bags or coffins to keep the skeleton together as the body degraded. D. None of these are correctarrow_forward
- Which adaptation makes it possible for an animal to live its whole life cycle on land? Group of answer choices A. jaws B. mammary glands C. amniotic eggs D. bony skeletonsarrow_forwarda. List three similarities between the pig internal anatomy and human internal anatomy. b. List three differences between the pig internal anatomy and human internal anatomy.arrow_forwardWhich of these characteristics best promoted the survival of offspring in reptiles, birds, and mammals? A the amniotic egg B claws C two pairs of appendages D The ability to keep a constant internal environment. Please use copy penarrow_forward
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