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- 1. Multiple Choice
Which two organisms have hair?Sharks & Ray Finned FishPrimates & RodentsBirds & CrocodilesRabbits & Birds - 2. Multiple ChoiceAccording to this cladogram, sharks are MOST closely related to which organism?AmphibiansRay finned fishCrocodilesBirds
- 3. Multiple ChoiceAccording to this cladogram, birds are LEAST related to:AmphibiansSharksRay Finned FishCrocodiles
- 4. Multiple Choice
What do scientists use to organize all the information they find to determine evolutionary relationships?
Cladogram
DNA
Chart
Family Tree
- 5. Multiple Choice
What are the 4 pieces of evidence scientists use to determine if organisms share a common ancestor?
DNA, analogous structures, fossils
Embryos, visible characteristics, DNA, fossils
DNA, Embryos, Homologous structures, fossils
Shared derived characteristics, homologous structures, DNA
- 6. Multiple ChoiceWhat can help you decide where an organism goes on a cladogram?All the organismsNumber of shared derived characteristicsDNAPictures of the organisms
- 7. Multiple ChoiceWhat shared derived characteristics do amphibians and ray-finned fish have in common?eggs with shells and amniotic eggbony skeleton and vertebraenonefour limbs, bony skeleton, and vertebrae
- 8. Multiple ChoiceThis picture is an example ofCladogramHomologous structuresMatching bonesSimilarities
- 9. Multiple ChoiceWhen a lineage splits on a cladogram what is happening?ExtinctionSpeciationMating
- 10. Multiple ChoiceSimilarities in embryonic development probably suggest thatthe organisms mated togetherthe organisms share a common ancestorwe all share the exact same genes
- 11. Multiple ChoiceWhat are homologous structures?Body structures that are deformedSimilar body structures between different organismsBody parts that look different, but perform the same jobAll the bones in the same organism
- 12. Multiple ChoiceWhat does it mean if a two different organisms have homologous structures in their arm?They probably share a common ancestorThey are not related at allThey once mated togetherThey are the same organism
- 13. Multiple ChoiceWhat does it mean if human embryos and turtle embryos develop in similar ways?They probably share a common ancestorA turtle evolved from a humanHumans once had a shell like a turtleThey are the same organism
- 14. Multiple ChoiceWhat is the most recent common ancestor between species A and species B?Ancestor 1Ancestor 2Ancestor 3
- 15. Multiple ChoiceThe common ancestor between perching birds and lizards is located at point _______XYZW
- 16. Multiple ChoiceThe oldest organism on this cladogram is the ________________SharkRay-finned fishCrocodileBirds
- 17. Multiple ChoiceThe oldest organism on a cladogram will have the least amount of shared derived characteristicsTrueFalso
- 18. Multiple ChoiceSpecies F is most closely related to species _________ACEG
- 19. Multiple ChoiceBy looking at a cladogram, how do you know that two animals are most closely related to each other?They share the most number of shared derived characteristicsThey share the least amount of shared derived characteristicsThey are close on a cladogramThey are far apart on a cladogram
- 20. Multiple ChoiceUsing DNA evidence, organisms are more closely related the more _____________ their DNA isSimilarDifferent
- Answer choicesTagsAnswer choicesTags