BIOLOGY W/CONNECT >IP<
11th Edition
ISBN: 9781259910487
Author: Raven
Publisher: MCG CUSTOM
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Chapter 35, Problem 4U
Summary Introduction
Introduction:
A nerve cord, notochord, postnatal tail, and the pharyngeal slits are the four characteristics that are present in the chordates. Neural crest is the feature that is present in all the vertebrates such as birds, mammals and reptiles. It causes the development of vertebrates.
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Chapter 35 Solutions
BIOLOGY W/CONNECT >IP<
Ch. 35 - Which of the following structures is not a...Ch. 35 - Which of the following statements regarding all...Ch. 35 - In the figure, item A is the ______ and item B is...Ch. 35 - Prob. 4UCh. 35 - The ____ of the bony fish evolved to counter the...Ch. 35 - Why was the evolution of the pulmonary veins...Ch. 35 - Which of the following groups lacks a...Ch. 35 - All of the following are characteristics of...Ch. 35 - Which of the following evolutionary adaptations...Ch. 35 - The reason that birds and crocodilians both build...
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- Characteristics 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_forwardIn a developing human, the first organ to form is thea. heart.b. brain.c. notochord.d. liver.arrow_forwardHumans have a coccyx at the end of the vertebral column. What structure common to all vertebrate embryos resulted in the coccyx? a buds b pharyngeal pouches c tail d late cleavagearrow_forward
- Observation of the development of embryos in sea stars shows the mesoderm forming pouches bulging from the archenteron to form the coelom. From this observation, you can predict that A. the cleavage of the embryo is radial. B. the adult animal will have bilateral symmetry. C. the mouth forms from the first opening in the gastrula. D. the animal is diploblastic.arrow_forwardFill in the blanks with synapomorphic, symplesiomorphic, or neither Mesoderm is a ___ feature of chordates, and a ___ feature of vertebrates, but mesectoderm (neural crest) is a ___ feature of chordates, and a __ feature of vertebratesarrow_forwardDescribe the current model of neural induction in amphibian embryos.arrow_forward
- What is a potential result of injecting notochord tissue into the ventral (bottom) region of the mesoderm of a frog embryo. Group of answer choices A. a tadpole with no dorsal surface B. a tadpole with reversed legs C. a tadpole that never becomes an adult D. a tadpole with two spinal cords and brainsarrow_forwardWhat are some advantages of the pronounced cephalization that occurred as vertebrates evolved from jawless fish to tetrapods?arrow_forwardWhat is NOT true about embryo development? A. a morula is an earlier stage than a gastrula B. Gatrulation creates endoderm and ectoderm in most animals C. Mammal blastulas are called blastocysts due to the thickened area where the embryo develops D. diploblastic animals have mesodermarrow_forward
- There are two types of chordates the invertebrates and the vertebrates. How do invertebrate chordates differ from vertebrate chordates?arrow_forwardDescribe the evolution of mammals, tracing their synapsid lineage from early amniote ancestors to true mammals. How would you distinguish pelycosaurs, early therapsids, cynodonts, and mammals?arrow_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_forward
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