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Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Active Lecture Questions for use with Classroom Response Systems Biology, Seventh Edition Neil Campbell and Jane Reece Edited by William Wischusen, Louisiana State University Chapter 34 Vertebrate Evolution and Diversity
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings 1.In Australia, marsupials fill the niches that eutherian (placental) mammals fill in other parts of the world because 1)they are better adapted and have outcompeted eutherians. 2)their offspring complete their development attached to a nipple in a marsupium. 3)they originated in Australia. 4)they evolved from monotremes that migrated to Australia about 12 million years ago. 5)after Pangaea broke up, they diversified in isolation from eutherians.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings 2.A new species of aquatic chordate is discovered that closely resembles an ancient form. It has the following characteristics: external "armor" of bony plates; no paired fins; and a suspension-feeding mode of nutrition. In addition to these characteristics, it will probably have which of the following characteristics? 1)legs 2)no jaws 3)an amniotic egg 4)metamorphosis 5)endothermy
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings 3.Why is the amniotic egg considered an important evolutionary breakthrough? It * 1)has a shell that increases gas exchange. 2)allows incubation of eggs in a terrestrial environment. 3)prolongs embryonic development. 4)provides insulation to conserve heat energy. 5)permits internal fertilization to be replaced by external fertilization.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings 4.Which of these would a paleontologist be most likely to do in order to determine whether a fossil represents a reptile or a mammal? 1)Look for the presence of milk-producing glands. 2)Look for the mammalian characteristics of a four- chambered heart and a diaphragm 3)Because animals are eutherians, look for evidence of a placenta 4)Use molecular analysis to look for the protein keratin 5)Examine the teeth
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings 5.Which of these statements about human evolution is true? 1)The ancestors of Homo sapiens were chimpanzees and other apes. 2)Human evolution has proceeded in an orderly fashion from an ancestral anthropoid to Homo sapiens. 3)The evolution of upright posture and enlarged brain occurred simultaneously. 4)Different features have evolved at different rates. 5)Mitochondrial DNA analysis indicates that modern humans are genetically very similar to Neanderthals.
Evolution of Primates Chapter 6, Section 3.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Active Lecture Questions for use with Classroom Response Systems Biology, Seventh.
Plant Responses to Internal and External Signals
VERTEBRATE EVOLUTION AND DIVERSITY – Vertebrates have unique endoskeletons composed of: A cranium (skull) A backbone made of a series of bones called vertebrae.
Compare and Contrast Why did scientist classify Pikaia as a chordate instead of as a worm Review What two aspects of evolutionary history does the cladogram.
The Story of Human Evolution
Vocabulary Review Ch 43 - Mammals. In animals, the characteristic of maintaining a high, constant body temperature through regulation of metabolism and.
Open note quiz: amphibians & reptiles
Phylum: Chordata Chapter 34.
Origin of Humans (Homo sapien). The Origin of Birds Based on fossils, most paleontologists agree that the ancestor of birds was a type of small, feathered.
Phylum Chordata The Vertebrates. The Phylum Chordata Includes: 1.Subphylum Cephalochordata (=lancelets) 2.Subphylum Urochordata (= tunicates) 3.Subphylum.
What features the vertebrates?
KEY CONCEPT Reptiles, birds, and mammals are amniotes.
+ Biology 11 Phylum Chordata Subphylum Vertebrata Class Mammalia: US!
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