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- 1. Multiple ChoiceAlmost all adaptations started off as?selective breedingphysiologicalstructuralmutation
- 2. Multiple ChoiceAny inherited trait that gives an organism an advantage in its environment is called ___.a mutationan adaptationevolutionnatural selection
- 3. Multiple ChoiceA group of birds in an area eats many kinds of seeds. A disease kills all the plants in an area except for tall trees that produce hard seeds. Which of these traits will future generations of the birds most likely have?Webbed feet and strong wingsStrong wings and strong beaksStrong beaks and webbed feetShowy feathers and Small beaks
- 4. Multiple ChoiceBirds in a desert climate survive on soft parts of cactus. Scientists observed that during a drought, many of the birds died. The ones that survived had a mutation which resulted in them having larger beaks and were able to crack open and eat hard seeds that would ordinarily not be used. The next generation of birds all had large beaks. How did inherited traits help some birds survive?all surviving birds migrated to new areas and are no longer presentinherited traits helped birds change foods which allowed them enough food to reproduceinherited traits helped camouflage birds from predators allowing them to reproducethe inherited traits changed the environment
- 5. Multiple Choice
Many animals that live in the ocean. They are often dark blue colored above and white below. Why would this color pattern be a helpful inherited trait for the ocean environment?This color allows them to blend in and avoid being seen by prey so they get food and they can reproduceThis color pattern has no effect on reproduction it is only for variation during the seasonsTheir white underbelly helps them absorb more light and heat from the sun helping them grow and reproduceWhite reflects sunlight allowing the organisms to see better in the ocean - 6. Multiple Choice
Mutations cause changes to genes which results in changes in traits. These changes in traits can eventually create new species through the process of natural selection and evolution. Which of the following are ways you can describe mutations
harmful
beneficial
neutral
ALL OF THESE
- 7. Multiple ChoiceWhich of the following means "genetic change over time"natural selectionspeciationevolutionfitness
- 8. Multiple ChoiceWhich feature of a rose helps it grow without being eaten by large animals?flowers with bright colorssharp thornssmall seedsdeep roots
- 9. Multiple ChoiceSome organisms have colorful appearances to warn their predators (animals that would try to eat them) that they are harmful or do not taste good. If other species, that are not harmful, mimic these colors how would that help them reproduce?The bright colors would help them attract more mates and allow them to reproduceBecause they have similar colors they can mate with the harmful species to create hybridsBright colors help them be more visible in the dark and most mating occurs after darkThe similar markings and colors will increase their chance of predators avoiding them and allow them to survive to reproduce
- 10. Multiple ChoiceWhy are advantageous traits more likely to be passed on to 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.
- 11. Multiple ChoiceMutations are a change in what?DNAtRNAgenotypephenotype
- 12. Multiple ChoiceFrogs and many other organisms reproduce by producing very large numbers of eggs. Why do frogs and other organism produce so many eggs or offspring?so that their babies can have friends to play withthe more offspring the more likely the offspring will survivethe more offspring the less likely offspring will survivethe more offspring the less competition
- 13. Multiple ChoiceWhy are advantageous traits more likely to be passed on to 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 ChoiceA population of plants live in a field. The plants lose water through their leaves. Their stems store water. What will most likely happen if the environment becomes drier?Each plant will evolve thicker stems and smaller leavesAfter 1 generation, most of the plants will have very thin stemsPlants with larger leaves will be more likely to pass on their traits to their offspringAfter several generations, most of the plants will have thicker stems and smaller leaves
- 15. Multiple ChoiceAn organism that hunts and feeds on another organism is a ______________________.preyproducerpredatordecomposer
- 16. Multiple ChoiceAn animal that is hunted as foodpreypredatordecomposerproducer
- 17. Multiple ChoiceAn inherited trait that helps those organisms that have it to survivenichestructurecharacteristicadaptation
- 18. Multiple ChoiceColoring or another physical characteristic that help an organism blend in with its environmentmimicrycamouflagehibernationmigration
- 19. Multiple ChoiceThe place or environment where an organism naturally livesfunctionhabitatcommunityecosystem
- 20. Multiple ChoiceSurvival of the Fittest and Evolution were proposed by what scientist?Charles DarwinAlbert EinsteinSteven HawkingIsaac Newton
- 21. Multiple Choice
What word describes a trait that helps an organism survive in its environment?
natural selection
mutation
camouflage
adaptation
- 22. Multiple ChoiceThe differences among a species, like different bird beaks, are calledgenes.variations.traits.theories.
- 23. Multiple ChoiceA change in DNA.CompetitionMutationSpeciesFitness
- 24. Multiple ChoiceMutations are a change in what?DNAtRNAgenotypephenotype
- 25. Multiple ChoiceOccurs when a population of organisms cannot adapt quickly enough to environmental changes.EvolutionAdaptationSelective PressureExtinction
- 26. 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.
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