Podcast
Questions and Answers
Which of the following is a key feature of natural selection?
Which of the following is a key feature of natural selection?
- Populations do not evolve
- Individuals with certain heritable traits survive and reproduce at a higher rate than other individuals (correct)
- Individuals evolve over time
- Natural selection can only decrease heritable traits
What does natural selection do over time?
What does natural selection do over time?
- Decreases the frequency of adaptations that are favorable in a given environment
- Creates new species
- Causes individuals to evolve
- Increases the frequency of adaptations that are favorable in a given environment (correct)
What may natural selection result in if an environment changes over time?
What may natural selection result in if an environment changes over time?
- Adaptation to these new conditions and the emergence of new species (correct)
- Evolution of individuals
- Decrease in heritable traits
- Decrease in population size
Do individuals evolve or populations evolve over time?
Do individuals evolve or populations evolve over time?
What can natural selection increase or decrease in a population?
What can natural selection increase or decrease in a population?
What are the four types of data that document the pattern of evolution?
What are the four types of data that document the pattern of evolution?
What is one of the types of data that document the pattern of evolution?
What is one of the types of data that document the pattern of evolution?
What is the purpose of the inquiry shown in Figure 19.14?
What is the purpose of the inquiry shown in Figure 19.14?
What is the main idea of Concept 19.3?
What is the main idea of Concept 19.3?
What does the fossil record provide evidence for?
What does the fossil record provide evidence for?
Which inference did Darwin draw from the observation that all species can produce more offspring than the environment can support?
Which inference did Darwin draw from the observation that all species can produce more offspring than the environment can support?
What did Darwin observe about the variation in inherited traits among members of a population?
What did Darwin observe about the variation in inherited traits among members of a population?
What does the unequal ability of individuals to survive and reproduce lead to according to Darwin?
What does the unequal ability of individuals to survive and reproduce lead to according to Darwin?
What is the main idea of Darwin's theory of natural selection?
What is the main idea of Darwin's theory of natural selection?
What is the significance of the observation that many offspring fail to survive and reproduce?
What is the significance of the observation that many offspring fail to survive and reproduce?
What is the purpose of artificial selection?
What is the purpose of artificial selection?
What is the term for the process through which individuals with favorable traits leave more offspring than other individuals?
What is the term for the process through which individuals with favorable traits leave more offspring than other individuals?
Which observation did Darwin make about the ability of all species to produce offspring?
Which observation did Darwin make about the ability of all species to produce offspring?
What is the term for the process through which individuals with favorable traits survive and reproduce at a higher rate?
What is the term for the process through which individuals with favorable traits survive and reproduce at a higher rate?
What does Darwin infer about individuals with inherited traits that give them a higher probability of surviving and reproducing?
What does Darwin infer about individuals with inherited traits that give them a higher probability of surviving and reproducing?
