Podcast
Questions and Answers
What is natural selection?
What is natural selection?
- A process that drives evolution and helps explain the diversity of life on Earth (correct)
- A process that creates new species through genetic variation
- A process that happens randomly in the environment
- A process that causes mutations in DNA
What are mutations?
What are mutations?
- Changes in the environment that cause harm to living organisms
- Changes in the physical characteristics of living organisms
- Changes in the behavior of living organisms over time
- Changes in DNA that are an important source of genetic variation within a population (correct)
What happens when mutations occur in germ cells (eggs and sperm)?
What happens when mutations occur in germ cells (eggs and sperm)?
- They cause harmful changes in the offspring
- They are eliminated from the population
- They can only affect the individual with the mutation
- They can be passed onto offspring (correct)
What is the relationship between natural selection and speciation?
What is the relationship between natural selection and speciation?
What are mutations and what is their role in genetic variation within a population?
What are mutations and what is their role in genetic variation within a population?
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