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- 1. Multiple Choice
Structures with the same parts have different functions; suggests that organisms share a common ancestryvestigial structureshomologous structuresadaptive radiationfossil - 2. Multiple ChoiceStudy of embryos of various organisms to show a common ancestor because of similarities in developmentnatural selectionembryologyspeciationevolution
- 3. Multiple ChoiceTwo organisms that are closely related would havevery similar DNA sequenceexactly the same DNA sequencesno proteins in commoncompletely different DNA sequence
- 4. Multiple ChoiceWhat does Darwin's theory of evolution suggest?species change over timeextinct species are not related to living speciesdifferent species can interbreedanimals that look alike are most closely related
- 5. Multiple ChoiceWhen all of the organisms of a species have died it is calledevolutionextinctionadaptationnatural selection
- 6. Multiple ChoicePredict which moth would increase in populationlightdark
- 7. Multiple ChoiceScientists compare organisms' DNA to support the theory that all species share a common _________________separationancestorpopulationenvironment
- 8. Multiple ChoiceStructures are similar in appearance but not in structureVestigialHomologousAnalogous StructuresEmbryonic
- 9. Multiple Choice
Similar structures with different purposes found in different species are known as _____
vestigial structures
DNA
homologous structures
the fossil record
- 10. Multiple Choice
The picture shows a/an ___________
homologous structure
vestigial structure
- 11. Multiple Choice
What is this an example of?
Homologous structure
Analogous structure
Vestigial organs
Functional adaption
- 12. Multiple ChoiceWhich of the following is an example of a vestigial structure?the wings of a red-tailed hawkthe hind limbs of a house catthe fins of sharksthe tailbone of a human
- 13. Multiple ChoiceWhich species’ DNA is most similar to the DNA of the toothed whale?HippopotamusBaleen WhaleGrazing MammalsCamels
- 14. Multiple ChoiceTwo organisms that are closely related would havevery similar DNA sequenceexactly the same DNA sequencesno proteins in commoncompletely different DNA sequence
- 15. Multiple ChoiceAccording to this data, the unknown bacterial species is most closely related to:Species ISpecies IISpecies IIISpecies IV
- 16. Multiple Choice
What conclusions can be made based on this table shown?
the American black bear and the giant panda are most closely related
the giant panda and the red panda are most closely related
the red panda and the racoon are the most closely related
the giant panda and the racoon are most closely related
- 17. Multiple Choice
A scientist compares DNA taken from four different living species. Which of the following statements is true?
Species X evolved from Species Y.
Species A and Z share a recent common ancestor.
Species A and Species Y are the same.
Species Y and Species Z can interbreed.
- 18. Multiple ChoiceA biological ____________ is a group of interbreeding populations that is reproductively isolated from other groups.speciesfamilyphylogenyhybrid
- 19. Multiple Choice__________ enable an organism to survive in its environment.adaptationsnatural selectionsdivergenceextinctions
- 20. Multiple Choice________ are populations of the same species that differ genetically because of adaptation.subspecieshomologuesanalogsgenuses
- 21. Multiple Choice
When looking at two birds of the same species, you notice that one has darker feathers than the other one. You also notice that one has a beak that is just a little longer. These slight differences within members of the same species are called.....
Fossils
Extinction
Meiosis
Variations
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