Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 18, Problem 8TYU
Aardvarks, anteaters, and pangolins are only distantly related but are similar in structure and form as a result of (a) homology (b) convergent evolution (c) biogeography (d) vestigial structures (e) artificial selection
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Chapter 18 Solutions
Biology (MindTap Course List)
Ch. 18.1 - Prob. 1LOCh. 18.1 - Prob. 1CCh. 18.1 - Prob. 2CCh. 18.2 - Prob. 2LOCh. 18.2 - Prob. 1CCh. 18.2 - Prob. 2CCh. 18.3 - Explain the four premises of evolution by natural...Ch. 18.3 - Compare the modern synthesis with Darwins original...Ch. 18.3 - Prob. 1CCh. 18.3 - Why are only inherited variations important in the...
Ch. 18.3 - What was missing in Darwins explanation of...Ch. 18.4 - Summarize the evidence for evolution obtained from...Ch. 18.4 - Define biogeography and describe how the...Ch. 18.4 - Describe the evidence for evolution derived from...Ch. 18.4 - Briefly explain how molecular biology and...Ch. 18.4 - Prob. 9LOCh. 18.4 - Prob. 1CCh. 18.4 - How can we explain that fossils of Mesosaurus an...Ch. 18.4 - How do homologous and homoplastic features provide...Ch. 18.4 - How does developmental biology provide evidence of...Ch. 18.4 - How do predator preferences drive the evolution of...Ch. 18 - Evolution is based on which of the following...Ch. 18 - Evolution is the accumulation of genetic changes...Ch. 18 - Charles Darwin proposed that evolution could be...Ch. 18 - Which of the following is not part of Darwins...Ch. 18 - The evolution of beak size in the various species...Ch. 18 - The fossil record (a) usually occurs in...Ch. 18 - In _______________ the selecting agent is the...Ch. 18 - Aardvarks, anteaters, and pangolins are only...Ch. 18 - Prob. 9TYUCh. 18 - CONNECT In what way does the modern synthesis...Ch. 18 - CONNECT What types of gene changes are most...Ch. 18 - EVOLUTION LINK The use of model organisms such as...Ch. 18 - EVOLUTION LINK Charles Darwin once said, It is not...Ch. 18 - EVOLUTION LINK Write short paragraphs explaining...Ch. 18 - EVOLUTION LINK Although most salamanders have four...Ch. 18 - INTERPRET DATA Which of the primates in Figure...Ch. 18 - Prob. 17TYU
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- Define/discuss the following terms simply: (a) animal taxonomy (b) phenetic systematics (c) cladistics (d) clade (e) monophyleticarrow_forwardEvidence exists that a catastrophic collision between Earth and a large extraterrestrial body occurred 66 mya, resulting in the extinction of (a) worms, mollusks, and soft-bodied arthropods (b) jawless ostracoderms and jawed placoderms (c) dinosaurs, pterosaurs, and many gymnosperm species(d) mastodons, saber-toothed cats, and giant ground sloths (e) ferns, horsetails, and club mossesarrow_forwardReduced tailbones and the associated remnant muscles in humans are an example of what type of evidence for common descent? (a) artificial selection (b) homologous traits (c) biogeography (d) fossil evidencearrow_forward
- In cladistic analysis, (a) ancestral characters are used to reconstructphylogenies (b) characters must be homoplastic (c) polyphyletic groups are preferred (d) outgroup analysis is rarely used (e) shared derived characters are the preferred evidence for relatednessarrow_forwardTraits that are specialized to a particular lineage, and not widely shared among remotely related lineages, are called (a)ancestral (primitive) (b)derived (modified) (c) non adaptivearrow_forwardIn what way does the modern synthesis strengthen scientific understanding of evolution? (a) is based on the sequence of fossils in rock layers (b) uses genetics to explain the source of hereditary variation that is essentialto natural selection (c) was first proposed by ancient Greek scholars (d) considers the influence of the geographic distribution of organisms on their evolution (e) is reinforced by homologies that are explained by common descentarrow_forward
- Which of the following is supported by molecular phylogenetic studies? a.) Lobe-finned fish are more closely related to humans than to other fish. b.) Lobe-finned fish are more closely related to other fish than to humans. c.) Lobe-finned fish are more closely related to other fish than to humans. d.) All of the answers are correct e.) Lobe-finned fish are tetrapods.arrow_forwardThe Hawaiian silverswords are an excellent example of which evolutionary process? (a) allometry (b) preadaptation (c) microevolution (d) adaptive radiation (e) extinctionarrow_forwardUsing examples, explain how FIVE of the following support the modern theory of evolution. (i) homologous structures (ii) analogous structures (iii) vestigal structures (iv) fossil record (v) biogeography (vi) embryology (vii) molecular biologyarrow_forward
- All mammals have tailbones and muscles for moving a tail. Even humans have a reduced tailbone and remnant tail-twitching muscles, though these features have no apparent usefulness. These traits in humans would best be described as (a) convergent structures. (b) fossil evidence. (c) evidence from biogeography. (d) vestigial traits.arrow_forwardWhat is plausible evidence supporting the hypothesis that birds evolved from dinosaurs? Please choose the best option. a) Dinosaurs and birds are both predatory.b) Fossilized transitional forms are discovered that possess features of birds and dinosaurs yet are difficult to classify into either group.c) The wing structure of a bird is similar to a dinosaur.d) Bird fossils can be found alongside dinosaur fossils.arrow_forwardThe comparison of genetic material from individuals of regional populations of humans, used to help unravel the origin and migration of modern humans, is known as (a) paleoarchaeology (b) cultural anthropology (c) molecularanthropology (d) cytogenetics (e) genetic dimorphismarrow_forward
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