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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 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
- 4. 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
- 5. 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
- 6. Multiple ChoiceWhich layer is the youngest1234
- 7. Multiple Choice
The picture shows a/an ___________
homologous structure
vestigial structure
- 8. Multiple Choice
What is this an example of?
Homologous structure
Analogous structure
Vestigial organs
Functional adaption
- 9. Multiple ChoiceAccording to this data, the unknown bacterial species is most closely related to:Species ISpecies IISpecies IIISpecies IV
- Answer choicesTagsAnswer choicesTags