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- 1. Multiple Choice
Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known asvestigial structuresanalogous structureshomologous structuresfossil structures - 2. Multiple ChoiceWhat is suggested by the similarity of early embryos of different species of vertebrates?no evolutionary relationships between the groupsrecent common ancestrysimilar environments in the pastevolution froma distant common ancestor
- 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 ChoiceA farmer's use of the best livestock for breeding is an example ofnatural selectionartificial selectionextinctionadaptation
- 5. Multiple ChoiceWhich best describes fossils?They are the preserved remains or evidence of ancient living thingsThey are the preserved remains or evidence of ancient living and nonliving thingsThey are the preserved bones of ancient animalsThey are impressions of plant leaves in ancient rocks
- 6. Multiple ChoiceWhy don't all living things become fossils?because some living things are too smallbecause some living things are too bigbecause some are subject to catastrophism and others are notbecause environmental conditions have to be just right to prevent decay
- 7. Multiple ChoiceWhen scientists compare the amino acid sequences for the red blood cell protein hemoglobin between various species, what can they determine about the evolutionary relationship between the species?It can be determined how efficient hemoglobin is for different speciesIt can provide evidence about the relatedness of the different species: if they are more similar they have a more recent common ancestor.It cannot determine relatedness between different species, only individuals of the same speciesIt can show which species evolved first
- 8. Multiple ChoiceThe Table below shows the # of differences in amino acids in a protein called “Cytochrome C” when comparing humans to other organisms. The protein is used by many plants and animals to convert energy in cells.
List the 4 closest human relatives based on this biochemical comparison.chimpanzee, horse, rattlesnake, snapping turtlechimpanzee, gorilla, rhesus monkey, horsefruit fly, bread mold, tuna fish, snapping turtlegorilla, rhesus monkey, rattlesnake, gorilla - 9. Multiple ChoiceThe forelimbs of vertebrates, like the ones pictured here, are similar in terms of number of bones and the orientation of bones. Which best describes how comparing homologous structures provides evidence of evolution?The genes for the body plan and forelimb layout were present in a common ancestral species vertebrates share, thus passed onto all vertebrates.Similar anatomical structures show how animals adapt to changing environmentsHomologous structures show that different species evolve at different ratesHomologous structures don’t actually provide evidence for evolution
- 10. Multiple ChoiceWhat do phylogenic trees do?Help you visualize how species are related.Provide windbreaks in your yard.Provide DNA details.
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