Biology - Study Guide
8th Edition
ISBN: 9780321501561
Author: Martha R. Taylor
Publisher: PEARSON EDUCATION (COLLEGE)
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Chapter 26, Problem 12TYK
Summary Introduction
Introduction: A phylogenetic tree is a branching diagram that shows the pattern of descent. It paves the way to know the evolutionary relationship between different species or groups of organisms based on their genetical and physical characteristics.
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Scientists find an artifact next to an index fossil. What can they conclude about the unknown age of the artifact?
a
The artifact is older than the index fossil.
b
The artifact is younger than the index fossil.
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The artifact is approximately the same age as the index fossil.
d
The artifact's age is not related to that of the index fossil.
Which best describes a branch point in a phylogenetic tree?a. a hypothesisb. new lineagec. hybridizationd. a mating
The only taxon that is always the same as a clade is the____ . a. genus c. species b. family d. kingdom
Chapter 26 Solutions
Biology - Study Guide
Ch. 26 - a. In this hypothetical phylogenetic tree, which...Ch. 26 - What two complications may make it difficult to...Ch. 26 - Place the taxa (outgroup. A, B, C, and D) on the...Ch. 26 - Prob. 4IQCh. 26 - a. Give an example of genes that would be compared...Ch. 26 - Prob. 6IQCh. 26 - Prob. 7IQCh. 26 - Prob. 1SYKCh. 26 - Prob. 2SYKCh. 26 - Prob. 3SYK
Ch. 26 - Related families are grouped into the next-highest...Ch. 26 - Prob. 2TYKCh. 26 - Prob. 3TYKCh. 26 - Prob. 4TYKCh. 26 - Prob. 5TYKCh. 26 - Prob. 6TYKCh. 26 - Prob. 7TYKCh. 26 - Prob. 8TYKCh. 26 - A taxon such as the class Reptiliawhich includes...Ch. 26 - You wish to study evolutionary relationships among...Ch. 26 - Prob. 11TYKCh. 26 - Prob. 12TYKCh. 26 - Prob. 13TYKCh. 26 - Prob. 14TYKCh. 26 - Prob. 15TYKCh. 26 - Which of the following approaches would allow a...Ch. 26 - A comparative study of which of the following...Ch. 26 - Prob. 18TYKCh. 26 - Which of the following segments of DNA would...Ch. 26 - Which of the following is the best description of...Ch. 26 - Prob. 21TYK
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- Define the term extinct. Also explain the phenomenon of mass extinction. In 300 words.arrow_forwardUse the graph to answer questions #7-8 on the fossils. I think number #9 is Barrow_forwardWhich mechanism of fossil formation created a replica of an organism's original form? a natural cast b amber-preserved c permineralization d trace fossilarrow_forward
- How do we know how old a fossil is? A) We compare it to current species and see how much has changed B) We see how much soil is on top of it C) We use radiometric datingarrow_forwarda diagram that shows evolutionary connections between clades is called a_______ .a. karyotype c. cladogramb. molecular clock d. homologous structurearrow_forwardThe map below shows how the continents once were connected together (link to bigger map if you need it (Links to an external site.)). Based on the map and biogeography, where would we expect to find animals and fossils that were closely related to animals from Brazil? A. Nigeria B. Russia C. Canada D. Indiaarrow_forward
- Which statement about the taxonomic classification system is correct? a. There are more domains than kingdoms. b. Kingdoms are the top category of classification. c. Classes are divisions of orders. d. Subspecies are the most specific category of classification.arrow_forwardThe most inclusive level of classification isa. species.b. kingdom.c. domain.d. phylum.arrow_forwardAn organism dies,and its body leaves an impression in mud. Over time, the mud hardens into rock, and the impression becomes a fossil. Which kind of fossil was formed? A) cast B) mold C) original material D) trace fossilarrow_forward
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Phylogenetic Mysteries: Crash Course Zoology #12; Author: CrashCourse;https://www.youtube.com/watch?v=cVaw7nF72Aw;License: Standard youtube license