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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 ChoiceSome organisms that share a common ancestor have features that have different functions, but similar structures. These are known asvestigial structuresanalogous structureshomologous structuresfossil structures
- 4. Multiple ChoiceHow do fossils provide evidence that evolution has happened on Earth?Fossils show how the sizes of certain animals has changed drastically over millions of yearsFossils show that some species have gone extinctFossils show how life forms present today are different than those from the pastDifferent sedimentary rock layers provide evidence for how the environment has changed over time
- 5. Multiple ChoiceThe diagram illustrates an embryonic stage of two organisms.
Which of the following can be determined by observing the embryos shown in the diagramThe organisms share a common ancestry.The organisms belong to the same genus.The organisms are native to the same geographic areas.The organisms will grow into anatomically similar adults. - 6. Multiple ChoiceHumans, birds, whales, and lizards all have similar arm bones. What is the reason for this?The function of these bones is the same in all animalsThey live in similar environmentsThey have a common ancestorAll organisms resemble humans
- 7. Multiple Choice
Vestigial structures
structures that perform a similar function but are not similar in origin
remnants of once-important structures that have slowly lost all or most of their function
features found in different organisms that share structural similarities but may have very different functions
preserved remains of an organism
- 8. Multiple ChoiceWhich layer is the youngest1234
- 9. Multiple ChoiceThe changes of species over timeEmbryonicNatural selectionMimicryEvolution
- 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 ChoiceStudy of embryos of various organisms to show a common ancestor because of similarities in developmentnatural selectionembryologyspeciationevolution
- 13. Multiple ChoiceHow do fossils provide evidence that evolution has happened on Earth?Fossils show how the sizes of certain animals has changed drastically over millions of yearsFossils show that some species have gone extinctFossils show how life forms present today are different than those from the pastDifferent sedimentary rock layers provide evidence for how the environment has changed over time
- 14. Multiple ChoiceThe diagram illustrates an embryonic stage of two organisms.
Which of the following can be determined by observing the embryos shown in the diagramThe organisms share a common ancestry.The organisms belong to the same genus.The organisms are native to the same geographic areas.The organisms will grow into anatomically similar adults. - 15. Multiple Choice
What best describes the hind leg bones seen in the whale?
The bones are analogous structures to the fins of living fish.
The bones are vestigial structures that had a function in an ancestor.
The bones are homologous structures to the wings of butterflies.
The bones are fossil structures from an extinct ancestor.
- 16. Multiple ChoiceWhich layer is the youngest1234
- 17. Multiple ChoiceIf two organisms have similar traits of DNA they are probablyshare a common ancestorshare a common environmentshare a common populationspeciation
- 18. Multiple ChoiceAccording to this data, the unknown bacterial species is most closely related to:Species ISpecies IISpecies IIISpecies IV
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