Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 19, Problem 3RQ
What techniques might you use to determine whether the extinct cave bear is more closely related to a grizzly bear or to a black bear?
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Students have asked these similar questions
What traits support classifying H. habilis and H. rudolfensis as separate species? (Use complete sentences. Minimum of 2 sentences.)
Identify each of the following groups of species as a monophyletic group (clade), a paraphyletic group, or a polyphyletic group.
a) Brown bear, Polar bear, D, G
b) Sun bear, Sloth bear, Spectacled bear
c) Sun bear, Asian black bear, American black bear, E, F
For each of the following sets of traits and descriptors, give the name of the most specific
primate taxon that possesses ALL of the given features. In other words, don't report a
suborder or superfamily name if a family or even a genus is sufficient to include all
primates sharing the three sets of traits. In each case, you will need to be no more specific
than the taxa I have asked you to know for the final exam.
1)
2)
3)
4)
post-orbital bar with no post-orbital closure
wet rhinarium
all members nocturnal
usually both prehensile hands & feet
forward facing eyes
retains the clavicle (collar bone)
fused frontal bone
no tail
IMI less than 100
brachiator anatomy
2:1:2:3 dental formula
ischial callosities
Chapter 19 Solutions
Biology
Ch. 19.1 - Analysis of human chromosome 2 revealed that it...Ch. 19.1 - Origin of a Killer Analysis of nucleotide...Ch. 19.1 - explain why scientific names are necessary?Ch. 19.1 - describe the type of similarities that...Ch. 19.1 - Prob. 3CYLCh. 19.2 - Prob. 1TCCh. 19.2 - Prob. 1CYLCh. 19.2 - explain how scientists discovered that prokaryotes...Ch. 19.3 - Prob. 1HYEWCh. 19.3 - Prob. 1CYL
Ch. 19.3 - Prob. 2CYLCh. 19.4 - Prob. 1CYLCh. 19.4 - Prob. 2CYLCh. 19.4 - Prob. 1CTCh. 19 - Prob. 1MCCh. 19 - To be informative for reconstructing the phylogeny...Ch. 19 - Prob. 3MCCh. 19 - In modern systematics, classifications are...Ch. 19 - Which of the following includes all the domains...Ch. 19 - Prob. 1FIBCh. 19 - Prob. 2FIBCh. 19 - In Linnaean classification, the eight major...Ch. 19 - Systematists determine the evolutionary...Ch. 19 - Prob. 5FIBCh. 19 - The number of named species is about ________, but...Ch. 19 - What contributions did Linnaeus and Darwin make to...Ch. 19 - Prob. 2RQCh. 19 - What techniques might you use to determine whether...Ch. 19 - Only a small fraction of the total number of...Ch. 19 - In England, daddy longlegs refers to a long-legged...Ch. 19 - Why are species designations of asexually...Ch. 19 - Applying the Concepts The pressures created by...Ch. 19 - Applying the Concepts 2. During major floods, only...Ch. 19 - Consider the following list of groups: (1)...
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- a) Is Figure 1 a cladogram, phylogram, or chronogram? b) According to Figure 1, all bears share a common ancestor with what group of mammals? c) What pair of bear species diverged most recently? d) The ancestor of what species of bear diverged the earliest from the ancestor of all other bears?arrow_forwardHow, specifically, is the concept of ALLOMETRY relevant to the phylogenetic position of Homo floresiensis? Because if allometry explains the anatomy of Homo floresiensis then we can conclude that it is not separate species but instead a member of our species. Although most mammals on islands go through a process of getting smaller, Homo floresiensis evolved from a smaller ancestor to be bigger, meaning that allometry is an important factor. Mutations in the allometry allele are associated with many of the characteristics of Homo floresiensis. Because Homo floresiensis is so much smaller than other members of the genus Homo, it is important to determine how shape changes associated with smaller size impacted the species. Because Homo floresiensis had both small- and large-bodied forms, variation within the species is in large part dictated by allometry.arrow_forwardAccording to the data, which two species in Table 3 are most closely related? Why do we think these two lineages diverged the shortest time ago? Which species is most closely related to humans? Which is most distantly related to humans To humans, alligators and crocodiles look very similar. However, which species difference in Table 3 comes closest to the difference between alligators and crocodiles? How can we explain this?arrow_forward
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