Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 20, Problem 6RQ
Which statement about the taxonomic classification system is correct?
- There are more domains than kingdoms
- Kingdoms are the top category of classification
- Classes are divisions of orders
- Subspecies are the most specific category of classification.
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What is a taxon? is.
a group of related species
a group of related families
a type of living organisms
a group of any ranking
Orders are divided into?
Classes
Phyla
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Species
Which taxon (group) in the chart above includes the broadest characteristics?
Chapter 20 Solutions
Biology 2e
Ch. 20 - Figure 20.6 At what levels are cats and dogs...Ch. 20 - Figure 20.10 Which animals in this figure belong...Ch. 20 - Figure 20.11 What is the largest clade in this...Ch. 20 - What is used to determine phylogeny? mutations DNA...Ch. 20 - What do scientists in the field of systematics...Ch. 20 - Which statement about the taxonomic classification...Ch. 20 - On a phylogenetic tree, which term refers to...Ch. 20 - Which statement about analogies is correct? They...Ch. 20 - What do scientists use to apply cladistics?...Ch. 20 - What is true about organisms that are a part of...
Ch. 20 - Why do scientists apply the concept of maximum...Ch. 20 - The transfer of genes by a mechanism not involving...Ch. 20 - Particles that transfer genetic material from one...Ch. 20 - What does the trunk of the classic phylogenetic...Ch. 20 - Which phylogenetic model proposes that all three...Ch. 20 - How does a phylogenetic tree relate to the passing...Ch. 20 - Some organisms that appear very closely related on...Ch. 20 - List the different levels of the taxonomic...Ch. 20 - Dolphins and fish have similar body shapes. Is...Ch. 20 - Why is it so important for scientists to...Ch. 20 - Describe maximum parsimony.Ch. 20 - Compare three different ways that eukaryotic cells...Ch. 20 - Describe how aphids acquired the ability to change...
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- Systematics differs from taxonomy as the former includes Identification of organisms Characterisation of organisms Nomenclature of organisms Evolutionary relationship among organismsarrow_forwardWhich level of classification is the LEAST inclusive? Group of answer choices phylum kingdom family orderarrow_forwardCarolus Linnaeus contributed to the system of binomial nomenclature? True or false The generic name of a species is also called specific epithet? True or Falsearrow_forward
- What is a group of organisms that are closely related and share similar characteristics? Species Genus Taxonomy Similar organismsarrow_forwardSystematics involves the classification into groups with a focus on evolutionary relationships. True or False An artificial system of classification involves groupings organisms based on similarities and identifying shared characteristics. True or falsearrow_forwardDIFFERENTIATE THE 3 -DOMAIN SCHEME FROM THE 5 SCHEME OF CLASSIFICATION OF LIVING THINGS. 3-DOMAIN SCHEME OF CLASSIFICATION 5 KINGDOM SCHEME OF CLASSIFICATION,arrow_forward
- Which statement best explains why the classification schemes of taxonomists have changed over time? Some groups of organisms have unusual biochemistry. There are no guidelines as to how organisms may be classified. Improved technology increases the amount of information known about organisms. Newly discovered organisms are always being added to the lowest levels of classification systems.arrow_forwardWhy is scientific name important in scientific work? Name the 5-kingdom classification. What is the second largest level in today’s classification system? What is binomial nomenclature? The basic unit of classification.arrow_forwardName Mikah Pleas DateA Florida Science Assessment Practice Test A Read each question and choose the best answer. Then use the answer sheet to fill in the letter for the correct answer. Use the information to answer questions 1 through 3. The first biological classification system was published in 1738 by Carl Linnaeus. In his system, he divided all organisms into two kingdoms: Plants and Animals. In 1969, another scientist named R.H. Whittaker suggested that there should be three more kingdoms as well. These kingdoms were Monera, Protista, and Fungi. Whittaker's system lasted until 1990, when Carl Woese pointed out that the five-kingdom system did not include room for a group of organisms known as extreme bacteria. This led to the current organization levels shown in the table below. | The Modern Linnaean Classification System The st Domain The Kingdom The Thest Phylum Class Order Family es? Genus The Species 1 According to the modern Linnaean system, there are three domains of life:…arrow_forward
- Taxonomy refers to the science of classification of living organisms. The five Kingdom Classification system was widely used from 1920 to 1980. Explain why this classification system was abandoned in favor of the 3-domain system.arrow_forwardThese are the closest relative of an organism or a group of organisms Twin taxon Homologous taxon Sister taxon Sister chromosomes The evolutionary history of a species or a taxonomic group is called Phylogeny Phytography Phenetics O Phylogeneticsarrow_forwardIn numerical taxonomy, the from both organisms being compared. O A. Jaccard coefficient involves the proportion of common attributes present but ignores characters that are missing O B. associative O C. Taxonomial O D. simple matching Reset Selectionarrow_forward
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