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Biology
7th -
8thgrade
Natural Selection: Adaptive Traits, Reproduction, and Survival
23 questions
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- 1. Multiple ChoiceWhy are advantageous traits more likely to be passed onto offspring?Because they are more likely to survive and reproduce.Because they come from dominant alleles.Because they come from recessive alleles.Because the trait is an acquired phenotype.
- 2. Multiple Choice
What word describes a trait that helps an organism survive in its environment?
natural selection
mutation
camouflage
adaptation
- 3. Multiple ChoiceWhich organisms are most likely to survive?the best adaptedthe fastestthe strongestthe most domesticated (tamed)
- 4. Multiple ChoiceDo organisms "decide" to evolve and change?Yes, they know they need to change to surviveNo, they change because of natural selection
- 5. Multiple ChoiceThe differences among a species, like different bird beaks, are calledgenes.variations.traits.theories.
- 6. Multiple ChoiceThe trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment?Dark mothLight mothBoth will be equally successfulNeither will be successful
- 7. Multiple ChoiceWhere humans have bred organisms together based on traits we like.EvolutionNatural SelectionExtinctionArtificial Selection
- 8. Multiple ChoiceWhere the better adapted organisms survive to pass traits along to offspring.EvolutionNatural SelectionExtinctionArtifical Selection
- 9. Multiple ChoiceWhich of the following would NOT be an adaptation?Long, strong running legsClaws with a powerful gripcamouflageA defective heart valve
- 10. Multiple ChoiceWhich statement best describes the process of evolution?Populations can survive in different locations on earthEnvironmental conditions limit the number of species on EarthPopulations grow when resources are abundantThe traits of a species can change over time
- 11. Multiple ChoiceModern whales developed their traits through natural selection. What occurs during the process of natural selection?Organisms choose mates from other species to create new speciesBreeders selectively cross organisms with desired traitsOnly the fittest organisms can survive and reproduceOrganisms remain exactly the same over time.
- 12. Multiple ChoiceAll rabbits living in a particular area would be an example of a(n)populationspeciesfossilindividual organism
- 13. Multiple ChoiceWhy are advantageous traits more likely to be passed onto offspring?Because they are more likely to survive and reproduce.Because they come from dominant alleles.Because they come from recessive alleles.Because the trait is an acquired phenotype.
- 14. Multiple ChoiceThe difference in the physical traits of an individual from those of other individuals in a group is called a(n)changeadaptionspeciesvariation
- 15. Multiple ChoiceAny variation that can help a species survive in a given environment is called...an adapatationa characteristica homologous structurea vestigial structure
- 16. Multiple ChoiceWhen every organism of a species has died.EvolutionNatural SelectionExtinctionArtificial Selection
- 17. Multiple ChoiceOnly populations can evolve.
Individuals can not evolve.TrueFalse - 18. Multiple ChoiceThese moths are all the same species. The differences between their wings is an example of ________________Natural SelectionVariationHomeostasisExtinction
- 19. Multiple Choice
Genetic diversity in a species makes long term survival of some members
impossible
improvable
more likely
less likely
- 20. Multiple Choice
A physical trait favored by an environmental change can be called an
adaptation
extinction
possibility
mutation
- 21. Multiple ChoiceThe founder of modern evolution theory is considered to be _____.Charles DarwinGregor MendelCharles LyellAlec Jefferies
- 22. Multiple ChoiceNatural selection can best be defined as the _____.survival of the biggest and strongest in a populationsurvival and reproduction of those in the largest areaelimination of the smallest organism by the biggestsurvival and reproduction of those that are best adapted
- 23. Multiple ChoiceWhat do we call all living thing interacting in a particular area?ecosystemtowncityenvironment
- Answer choicesTagsAnswer choicesTags