Biology
4th Edition
ISBN: 9781259188121
Author: Peter Stiling, Robert Brooker, Linda Graham, Eric Widmaier
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 1, Problem 2CQ
Explain how it is possible for evolution to result in unity among different species yet also produce amazing diversity.
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A species is a group of individual organisms that interbreed and produce fertile, viable offspring. According to this definition, one species is distinguished from another when, in nature, it is not possible for matings between individuals from each species to produce fertile offspring. Evolution is an important mechanism in the formation of new species. The evolution of a new species requires several components including all, BUT
A) Evolution of a new species requires a long time.
B) Evolution of a new species requires the need for a genetic change.
C) Evolution of a new species requires a separation that prevents interbreeding.
D) Evolution of a new species requires mutations that produce new genetic traits.
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Explain the concept of an evolutionary tree. Also, explain why it is significant.
Describe the evolutionary mechanisms (natural selection, artificial selection,
sexual selection, genetic variation, genetic drift, biotechnology), and explain how
they affect the evolutionary development and extinction of various species (i.e.
Darwin's finches, giraffes, pandas)
Chapter 1 Solutions
Biology
Ch. 1.1 - At which level of biological organization would...Ch. 1.1 - Prob. 1BCCh. 1.2 - What is the relationship between biological...Ch. 1.2 - How does the concept of a tree of life differ from...Ch. 1.2 - Why is it useful to place organisms into taxonomic...Ch. 1.2 - Biologists sometimes say that the genome is the...Ch. 1.2 - Figure 1.10 The three domains of life. Two of...Ch. 1.3 - What is the purpose of a control group in...Ch. 1.3 - Explain how discovery-based science helped...Ch. 1.3 - Discuss the difference between discovery-based...
Ch. 1.3 - What are the steps in the scientific method, also...Ch. 1.3 - Prob. 3EQCh. 1 - Prob. 1TYCh. 1 - Populations of organisms change over the course of...Ch. 1 - Prob. 3TYCh. 1 - Which of the following is an example of horizontal...Ch. 1 - The scientific name for humans is Homo sapiens....Ch. 1 - The complete genetic makeup of an organism a....Ch. 1 - Prob. 7TYCh. 1 - Prob. 8TYCh. 1 - Prob. 9TYCh. 1 - What is the purpose of using a control group in a...Ch. 1 - Of the first eight principles of biology described...Ch. 1 - Explain how it is possible for evolution to result...Ch. 1 - Prob. 3CQCh. 1 - Discuss whether or not you think that theories in...Ch. 1 - Prob. 2COQ
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- Explain the significance of using multiple lines of evidence to identify evolutionary relationships.arrow_forwardExplain how homology is different from convergent evolution and give examples.arrow_forwardDiscuss the process of evolution through natural selection. What could happen to the ecosystem and animals in ten, one hundred, or one thousand years? Is it feasible for them to continue evolving or do they eventually become extinct? Explain your answer concisely.arrow_forward
- List and describe at least five evidences for evolution. Use examples where possible?arrow_forwardBriefly discuss the differences in how a selectionist (one that believes that Natural Selection is a strong evolutionary force) and a neutralist (one that believes that genetic drift is a strong evolutionary force) views the following: molecular clock, evolution of coding sequences, evolution of "pseudogenes".arrow_forwardMake a detailed concept map: What are the 4 types of evidence for evolution? Explain and upload pictures.arrow_forward
- Charles Darwin’s claim, that the species level of classification is just as arbitrary as that of any other taxonomic level, is supported by all of the following observational failures except: the inability of a sexually-reproducing eukaryotic species to interbreed with a different species the inability of a cloning species lacking biparental reproduction to interbreed with a different species the inability of an asexual eukaryotic species to interbreed with a different species the inability of an extinct species (like a dinosaur) to interbreed with a different species the inability of a prokaryotic species to interbreed with a different species.arrow_forwardWhat types of information provide the clues that scientists use in investigating evolutionary relationships?arrow_forwardExplain the hypothesis of the evolutionary relationships between species ?arrow_forward
- The biological species concept is based on the assumption that species are reproductively isolated and do not share genes. And yet a number of organisms that are considered different species hybridize (mate and exchange genes). Hybridization between different species is more common in plants than in animals. Propose some possible reasons for this difference.arrow_forwardWhat is a Homology? A) When an anatomic feature is shared among organisms and their descendants B) When two organisms appear the same C) When convergent evolution produces similar phenotypesarrow_forwardCharles Darwin’s claim, that the species level of classification is just as arbitrary as that of any other taxonomic level, is supported by all of the following observational failures except: the inability of a cloning species lacking biparental reproduction to interbreed with a different species the inability of an asexual eukaryotic species to interbreed with a different species the inability of a sexually-reproducing eukaryotic species to interbreed with a different species the inability of a prokaryotic species to interbreed with a different species the inability of an extinct species (like a dinosaur) to interbreed with a different speciesarrow_forward
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