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- 1. Multiple ChoiceA change in the inherited characteristics of an organism over time is ________evolution.development.growth.ancestry.
- 2. Multiple Choice
_____________________are similar structures which species have, but which perform different functions. They provide evidence of a common ancestor.
DNA
Vestigial structures
Fossils
Homologous structures
- 3. Multiple Choice
Recently, scientists have been able to use ___________to find common proteins and amino acids to determine how closely related species are.
DNA
Vestigial structures
Fossils
Homologous structures
- 4. Multiple Choice
_____________________are features present in modern organisms which are no longer in use.
DNA
Vestigial structures
Fossils
Homologous structures
- 5. Multiple Choice
The cave fish and minnow are related to each other but the cave fish is blind and only has the remnants of an eye. What type of structure is this?
vestigial
analogous
- 6. Multiple Choice
Various species show similar developmental patterns as embryos.
DNA similarities
Anatomical Homology
Embryology
All of the above
- 7. Multiple ChoiceTwo organisms that are closely related would havevery similar DNA sequenceexactly the same DNA sequencesno proteins in commoncompletely different DNA sequence
- 8. 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
- 9. Multiple ChoiceThe most recent ancestral form or species from which two different species evolved is known as ________________________.a common ancestor.an embryonic stage.development.evolution.
- 10. Open Ended
What do homologous structures and similarities observed in embryology suggest about the process of evolutionary change?
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