Selective breeding and natural selection
Quiz by Meredith Vera
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15 questions
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- Q1What is the main difference between selective breeding and natural selection?Selective breeding is human-directed, while natural selection is driven by environmental factors.Both are completely random processes.Selective breeding occurs in nature without human intervention.Natural selection only applies to plants.30s
- Q2Which of the following is an example of selective breeding?Creating a new dog breed by choosing specific traits from parent dogs.Birds that migrate to find food during winter.Plants that adapt to local soil conditions over time.The survival of the fittest in a wild animal population.30s
- Q3How does natural selection lead to evolution?It causes all organisms to change at the same rate.It eliminates all organisms that do not adapt.It allows organisms with favorable traits to reproduce more successfully.It involves humans choosing traits for reproduction.30s
- Q4What is a potential consequence of selective breeding?A greater variety of traits within the species.Reduced genetic diversity in a population.A stronger immune response in all offspring.Increased adaptability to environmental changes.30s
- Q5Why might natural selection be important for a species' survival?It prevents any changes in the species over time.It guarantees that all species will thrive equally.It helps ensure that beneficial traits are passed on to future generations.It removes all unfavorable traits from the population immediately.30s
- Q6Which of the following is NOT a factor in natural selection?Variation in traits among individuals.Survival of those best suited to the environment.Artificial selection by humans.Competition for resources.30s
- Q7What role does mutation play in the process of natural selection?It has no effect on the evolution of a species.It ensures that all traits are eliminated from a population.It guarantees that mutations are always beneficial.It introduces new genetic variations that can be acted upon by natural selection.30s
- Q8Which statement best describes the outcome of selective breeding?It eliminates all genetic mutations.It creates a completely diverse gene pool.It can lead to specific traits being emphasized in a population.It randomizes traits in a population.30s
- Q9What is one potential disadvantage of selective breeding?Greater adaptability to changing environments.Enhanced survival of all offspring.More genetic diversity within the species.Increased risk of genetic disorders in the population.30s
- Q10Which process is primarily responsible for the gradual changes in species over time?Selective breeding.Natural selection.Genetic engineering.Mutation alone.30s
- Q11What is an example of a behavioral adaptation in animals?Webbed feet for swimmingCamouflage in fur colorMigration during seasonal changesSharp teeth for hunting30s
- Q12Which of the following is a physical adaptation that helps desert plants conserve water?Brightly colored flowersSoft, fuzzy stemsThick, waxy leavesLong roots that go deep30s
- Q13What adaptation helps birds maintain body temperature in cold climates?Thick layers of feathersLong beaks for probingShort wings for quick turnsBright plumage for attracting mates30s
- Q14What physical adaptation allows some animals to blend into their surroundings for protection?Fast running speedLoud vocalizationsGood eyesightCamouflage30s
- Q15Which adaptation helps polar bears to hunt seals on ice?Sharp hearingLong, thin tailsBright white furLarge, powerful limbs30s