Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 32.2, Problem 1CC
Put the following milestones in animal evolution in order from oldest to most recent: (a) origin of mammals, (b) earliest evidence of terrestrial arthropods, (c) Ediacaran fauna, (d) extinction of large, nonflying dinosaurs.
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Chapter 32 Solutions
Campbell Biology (10th Edition)
Ch. 32.1 - Summarize the main stages of animal development....Ch. 32.1 - WHAT IF? What animal characteristics would be...Ch. 32.2 - Put the following milestones in animal evolution...Ch. 32.2 - Prob. 2CCCh. 32.2 - MAKE CONNECTIONS Evaluate whether the origin of...Ch. 32.3 - Distinguish the terms grade and clade.Ch. 32.3 - Compare three aspects of the early development of...Ch. 32.3 - Prob. 3CCCh. 32.4 - Prob. 1CCCh. 32.4 - WHAT IF? Suppose ctenophores are basal metazoans...
Ch. 32.4 - Prob. 3CCCh. 32 - Prob. 32.1CRCh. 32 - What caused ihe Cambrian exploston? Describe...Ch. 32 - Describe how body plans provide useful Information...Ch. 32 - Prob. 32.4CRCh. 32 - Prob. 1TYUCh. 32 - The distinction between sponges and other animal...Ch. 32 - Prob. 3TYUCh. 32 - Prob. 4TYUCh. 32 - EVOLUTION CONNECTION A professor begins a lecture...Ch. 32 - SCIENTIFIC INQUIRY INTERPRET THE DATA Redraw the...Ch. 32 - WRITE ABOUT A THEME: INTERACTIONS Animal life...Ch. 32 - SYNTHESIZE YOUR KNOWLEDGE This organism is an...
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- What are the key events in the evolution of the animals?arrow_forwardWhich major groupings of animals defined on the basis of morphological characters have been confirmed by molecular sequence studies?arrow_forwardAlthough other groups of vertebrates are more numerous and have existed longer than mammals, mammals are often called the most advanced form of life. Why?arrow_forward
- What can skeletal anatomy and DNA sequences in existing primates tell us about the study of human evolution?arrow_forwardPrehistoric remains of animals consist almost exclusively of bones and teeth. Why?arrow_forwardThe evolution of which of the following features of mammals is hardest to trace through the fossil record? a. Jaw structure b. Mammary glands c. Middle ear structure d. Development of hairarrow_forward
- Based on phylogeny and history of evolution, do new anatomical features such as lungs (amphibians) arise de novo or came from pre-existing structures of their ancestors (like gills of fish)? Explain.arrow_forwardWhat are the hypotheses used to trace early evolution of animals?arrow_forwardWhat is present on the feet of birds which provides more evidence for their evolution from reptiles and dinosaurs?arrow_forward
- Draw the phylogenetic tree, label all of the living things and the traits that characterize them directly on the tree. Living thing Vertebrae Bony Skeleton 4 Limbs Amniotic Egg Hair 2 post-orbital fenestrae Amphibians + + + - - - Crocodiles + + + + - + Dinosaurs + + + + - + Primates + + + + + - Rays + + - - - - Rodents + + + + + - Sharks + - - - - -arrow_forwardAlong comes Dr Phil Bell and deep in the mines of Lightning Ridge, finds an amazingly preserved pterosaur that preserves feathers. He hypothesises that this means that feathers must have evolved before the origin of dinosaurs and therefore must have been primitive. How would you go about testing this hypothesis of feather origins?arrow_forwardWhat is the DNA analysis and fossil records of the animal aye-ayearrow_forward
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