Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 18, Problem 6SQ
Through _______, a body part of an ancestor is modified differently in different lines of descent.
- a. homologous evolution
- b. morphological convergence
- c. adaptive divergence
- d. morphological divergence
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The evolution of various life forms on Earth is summarized in ________.
a.
the binomial naming system
b.
phylogenetic trees
c.
the taxonomic classification system
______ is a way of reconstructing evolutionary history based on derived characters. a. Cladistics c. Convergent evolution b. Linnaean taxonomy d. Divergent evolution
Several very distantly related species (e.g., bats, birds, insects) have evolved the capability of flight. The most recent common ancestor of insects and vertebrates likely lived over 500 million years ago and was flightless. This independent evolution of flight in multiple, distantly related taxa is an example of what evolutionary process/pattern?
a.
Evolutionary reversal
b.
Convergent evolution
c.
Speciation
d.
Synapomorphy
Chapter 18 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 18 - In cladistics, the only taxon that is always...Ch. 18 - Prob. 2SQCh. 18 - A clade is _________. a. defined by a derived...Ch. 18 - Prob. 4SQCh. 18 - In cladograms, sister groups are _______ . a....Ch. 18 - Through _______, a body part of an ancestor is...Ch. 18 - Homologous structures among major groups of...Ch. 18 - Prob. 8SQCh. 18 - Mitochondrial DNA sequences are often used in...Ch. 18 - Hawaiian Honeycreeper Phylogeny The Poouli...
Ch. 18 - Prob. 2DAACh. 18 - Hawaiian Honeycreeper Phylogeny The Poouli...Ch. 18 - Hawaiian Honeycreeper Phylogeny The Poouli...Ch. 18 - Molecular clocks are based on comparisons of the...Ch. 18 - True or false? DNA barcoding can identify an...Ch. 18 - A mutation that alters the embryonic expression...Ch. 18 - All of the following data types can be used as...Ch. 18 - True or false? Phylogeny helps us study the spread...Ch. 18 - Prob. 15SQCh. 18 - In the late 1800s, a biologist studying animal...Ch. 18 - The photos shown above illustrate a case of...
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- This video refers to Denisovans as a “Ghost Lineage.” In fact, Denisovans don’t even have a formal scientific name. What is the physical evidence that anthropologists need to further define and understand the Denisovans? A. None of the above B. A Type Specimen (and more Denisovan fossils) C. Neanderthal DNA D. H. sapiens DNAarrow_forwardA cladogram or phylogenetic tree is used to classify organisms into groups based on their shared characteristics, where each node or branching point is known as _________________. Group of answer choices A. Common ancestry B. New species C. Reproductive isolation D. New characteristic E. None of the answers are correctarrow_forwardIf two mouse populations do not interbreed but are found in the same area, they may form different species due to d. Adaptive radiation c. Spontaneous generation a. Geographic isolation b. Mutations OOOOarrow_forward
- You are reading a scientific paper regarding the relationships of the anatomical and behavioral characteristics of chimpanzees and their implications for early hominid evolution. With the emphasis on anatomical and behavioral characteristics, this implies that the researchers are relying on A. Traditional classifications of chimpanzees and humans B. Nonevolutionary classifications of chimpanzees and humans C. An incorrect classification of human ancestors D. Cladistic classifications of chimpanzees and humansarrow_forwardIn a cladogram, each node represents a(n)______ . a. single lineage c. common ancestor b. extinction d. adaptive radiationarrow_forwardThe type of speciation that takes place in geographically overlapping populations is known as ________________________. A. Allopatric speciation B. Sympatric speciation C. Morphological speciation D. Physiological speciationarrow_forward
- A. Sex” refers to the observable physical characteristics that distinguish two kinds of humans, females and males. Select one: True False B. Palaeoanthropologists are biological anthropologists who study a. biological variation in living human populations. b. the fossils and remains of ancient human ancestors. c. human evolution using mitochondrial DNA. d. the material remnants of early human societies.arrow_forwardPlease help with the following: ______________ can be used to determine the last common ancestor shared by two divergent species. A. Y-chromosome analysis B. VNTR analysis C. Rudolph's admixture hypothesis D. mtDNA analysis E. whole DNA sequencingarrow_forwardThe 3.6-million-year-old footprints left by bipedal walkers in Tanzania were probably made by_____ . a. australopiths c. modern humans b. Neanderthals d. Homo erectusarrow_forward
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Discovering the tree of life | California Academy of Sciences; Author: California Academy of Sciences;https://www.youtube.com/watch?v=AjvLQJ6PIiU;License: Standard Youtube License