Concept explainers
To explain: The meanings of natural selection and evolution.
Introduction: A group of organisms, which are related and share a distinctive form, is known as species. Members of the species living in a particular area at a particular time, which are capable of interbreeding, constitute a population. The population keeps changing to produce new species over time.
To explain: The difference and relation between natural selection and evolution.
Introduction.
A group of organisms, which are related and share a distinctive form, is known as species. Members of the species living in a particular area at a particular time, which are capable of interbreeding, constitute a population. The population changes to produce new species over time.
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Chapter 23 Solutions
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- Discuss the validity of the statement “Evolution is an equal opportunity biological phenomenon”. Do you agree or disagree? Give examples that support or refute this statement.arrow_forwardGenetic variation is the product of completely random events, but acting upon this randomness is a very nonrandom process called natural selection. Explain or give an example.arrow_forwardThe raw material for evolution is random mutation. Discuss whether or not you view evolution as a random process.arrow_forward
- In three to five sentences, construct an argument for the claim that natural selection leads to evolution. Provide evidence for this claim, and be sure to explain how an organism shows the four parts of the process of natural selection. You may use any organism with the exception of bacteria and antibiotic resistance.arrow_forwardExplain the difference(s) between natural selection and evolution. Do not just define each term but describe the differences between the two concepts.arrow_forwardln three to five sentences, construct an argument for the claim that natural selection leads to evolution. Provide evidence for this claim, and be sure to explain how an organism shows the four parts of the process of natural selection. You may use any organism with the exception of bacteria and antibiotic resistance.arrow_forward
- Discuss the significance of mutations and explain the role of the environment in the evolutionary process. (Hint: Consider Lenski's study and what is demonstrated. Do not re-tell Lenski’s study)arrow_forwardExplain the main theme of evolution: “unity in diversity”.arrow_forwardGive a brief explanation of natural selection that includes all the necessary components for it to occur?arrow_forward
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