Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 12, Problem 3RQ
What is a phylogeny a description of?
a. mutations
b. DNA
c. evolutionary history
d. organisms on Earth
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Chapter 12 Solutions
Concepts of Biology
Ch. 12 - Figure 12.3 In what levels are cats and dogs...Ch. 12 - Figure 12.8 Which animals in this figure belong to...Ch. 12 - What is a phylogeny a description of? a. mutations...Ch. 12 - What do scientists in the field of systematics...Ch. 12 - Which statement about the taxonomic classification...Ch. 12 - Which best describes the relationship between...Ch. 12 - Which best describes a branch point in a...Ch. 12 - Which statement about analogies is correct? a....Ch. 12 - What kind of trait is important to cladistics? a....Ch. 12 - What is true about organisms that are a part of...
Ch. 12 - Which assumption of cladistics is stated...Ch. 12 - A monophyletic group is a ______. a. phylogenetic...Ch. 12 - How does a phylogenetic tree indicate major...Ch. 12 - List the different levels of the taxonomic...Ch. 12 - Dolphins and fish have similar body shapes. Is...Ch. 12 - Describe maximum parsimony.Ch. 12 - How does a biologist determine the polarity of a...
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- What is used to determine phylogeny? a. mutations b. DNA c. evolutionary history d. organisms on eartharrow_forwardWhat type of data is primarily used to determine the existence and appearance of early animal species? a. molecular data b. fossil data c. morphological data d. embryological development dataarrow_forwardSince 1735, the Linnaean classification system has been the basic system for all taxonomy in biology. Which statement best explains the reason for changing how organisms are classified today? A. Organisms are evolving at a faster rate than in the past B. More diverse and complex organisms are being discovered C.  There are more organisms today than there were in the past D. New information about the genetics of species is being discoveredarrow_forward
- On a phylogenetic tree, which term refers to lineages that diverged from the same place? a. sister taxa b. basal taxa c. rooted taxa d. dichotomous taxaarrow_forwardWhy do scientists apply the concept of maximum parsimony? a. to decipher accurate phylogenies b. to eliminate analogous traits c. to identify mutations in DNA codes d. to locate homoplasiesarrow_forwardWhere in a phylogenetic tree would you expect to find the organism that had evolved most recently? a. at the base b. within the branches c. at the nodes d. at the branch tipsarrow_forward
- Both octopuses and cuttlefish have a single-lens eye. Their common ancestor also had a single-lens eye. What word describes the relationship between the octopus eye and the cuttlefish eye? a. homologous c. analogous b. vestigial d. convergentarrow_forwardWhich characters are most informative in phylogenetic reconstruction because they indicate monophyletic groups? A. Homoplasies B. Symplesiomorphies C. Recently evolved traits that are found in just one species D. Ancestral traits E. Synapomorphiesarrow_forwardWhich statements are correct about the Domain System. Choose all that apply. A. It is more recent than the Kingdom System B. It takes into account phylogeny C. It was the first to introduce binomial nomenclature D. It is hierarchical in naturearrow_forward
- What does the trunk of the classic phylogenetic tree represent? a. single common ancestor b. pool of ancestral organisms c. new species d. old speciesarrow_forwardWhat do scientists in the field of systematics accomplish? a. discover new fossil sites b. organize and classify organisms c. name new species d. communicate between field biologistsarrow_forwardWhich statement about the taxonomic classification system is correct? a. There are more domains than kingdoms. b. Kingdoms are the top category of classification. c. A phylum may be represented in more than one kingdom. d. Species are the most specific category of classification.arrow_forward
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