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- 1. Multiple ChoiceInherited trait that helps an organism survive is a(n) __________.FossilAdaptationAncestorNatural selection
- 2. Multiple ChoiceSurvival of the fittest or when favorable adaptations reproduce faster is called what?EvolutionAdaptationNatural selectionFossilization
- 3. Multiple Choice
Structures with the same parts have different functions; suggests that organisms share a common ancestryvestigial structureshomologous structuresadaptive radiationfossil - 4. 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
- 5. Multiple ChoiceThe diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?Fossil A and C are the same ageFossil B is older than fossil CFossils A is older than fossil BFossil D is older than fossil C
- 6. Multiple Choice
What do we call a change in a species over time?
Adaptation
Evolution
Extinction
Environmental influences
- 7. Multiple ChoiceWhy do embryologist study embryos?to see if they are relatedto understand adaptationsto determine the ageto learn what parents are vestigial
- 8. Multiple ChoiceWhen an organism completely dies out, it is called.....AdaptionExtinctionFossilizationMutation
- 9. Multiple ChoiceTwo organisms that are closely related would havevery similar DNA sequenceexactly the same DNA sequencesno proteins in commoncompletely different DNA sequence
- 10. Multiple ChoiceWhich layer is oldest?AWGZ
- 11. Multiple ChoiceThe structures shown are_________homologousheterologousanalogousvestigial
- 12. Multiple ChoiceThe preserved remains or physical evidence of an organism that lived in the past are called...evolutionary featuresfossilsmutationsvariations
- 13. Multiple ChoiceWhat do we call similar physical structures that indicate a link to a common ancestor?absolute datingadaptationsgradualismhomologous structures
- 14. Multiple ChoiceMistakes or changes that occur int he DNA sequence are called....adatationsDarwinismmutationsnatural selection
- 15. Multiple Choice
A grizzly bear survives because he is well-adapted to his environment. When he reproduces he passes on those traits to his offspring. This process is called
Natural Selection
Selective Breeding
Random mutations
Variations in a species
- 16. Multiple Choice
This is an example of which type of adaptation?
Physiological
Structural
Behavioral
- 17. Multiple Choice
What is the definition of fitness?
ability to survive and reproduce in a specific environmentorganisms with traits well suited to their environment survive and reproduce at a greater ratea growing population causes a scarcity of resourcesdifferences in the DNA sequence - 18. Multiple ChoiceThe differences among a species, like different bird beaks, are calledgenes.variations.traits.theories.
- 19. Multiple ChoiceAccording to this cladogram, sharks are MOST closely related to which organism?AmphibiansRay finned fishCrocodilesBirds
- 20. Multiple ChoiceWhich two orgainsms have hair?Sharks & Ray Finned FishPrimates & RodentsBirds & CrocodilesRabbits & Birds
- 21. Multiple Choice
All the animals to the right of the salamander would have the common characteristic of...
Fur
Claws or nails
Lungs
Jaws
- 22. Multiple Choice
The tail bone, wisdom teeth, and appendix are all parts of the human anatomy that would be considered...
homologous structures
vestigial structures
fossils
extinct
- 23. Multiple Choice
A bird's wing and a butterfly's wing have the same function, but they have very different structures. These structures are classified as follows:
homologous structures
analogous structures
vestigial structures
embryological homologues
- Answer choicesTagsAnswer choicesTags