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- 1. Multiple Choice
What is the study of organisms at the early stages of development?
DNA studies
embryology
extinction
fossil record
- 2. Multiple Choice
What is this an example of?vestigial structuresembryologyhomologous structuresfossil record - 3. Multiple ChoicePredict which moth would increase in populationlightdark
- 4. Multiple ChoiceTwo organisms that are closely related would havevery similar DNA sequenceexactly the same DNA sequencesno proteins in commoncompletely different DNA sequence
- 5. Multiple ChoiceThe opossum and kangaroo both incubate their young in a pouch. This provides evidence that they---are descended from a common ancestorHave very similar skeletal structuresbelong to the same speciesmust range great distances to eat
- 6. Multiple ChoiceThe white feathers of a snowy owl allow it to blend in with its environment during the winter months (snow). This is an example of ________________SpeciesEnvironmental ChangeAdaptationVariation
- 7. Multiple ChoiceAccording to this data, the unknown bacterial species is most closely related to:Species ISpecies IISpecies IIISpecies IV
- 8. Multiple Choice
Structures that are similar in function.
Homologous
Analogous
Vestigial
DNA
- 9. Multiple ChoiceStructures are similar in appearance but not in structureVestigialHomologousAnalogous StructuresEmbryonic
- 10. Multiple ChoiceWhich layer is the oldestBAEC
- 11. Multiple ChoiceWhat would happen if the Giraffes never evolve?they would surviveThey would thriveThey would become extinctThey will find another source of food
- 12. 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
- 13. Multiple Choice
What is this an example of?
Homologous structure
Analogous structure
Vestigial organs
Functional adaption
- 14. Multiple Choice
What conclusions can be made based on this table shown?
the American black bear and the giant panda are most closely related
the giant panda and the red panda are most closely related
the red panda and the racoon are the most closely related
the giant panda and the racoon are most closely related
- 15. Multiple Choice
A scientist compares DNA taken from four different living species. Which of the following statements is true?
Species X evolved from Species Y.
Species A and Z share a recent common ancestor.
Species A and Species Y are the same.
Species Y and Species Z can interbreed.
- 16. Multiple Choice
The diagram illustrates an embryonic stage of two organisms. Which of the following can be determined by observing the embryos shown in the diagram?
The organisms belong to the same genus.
The organisms are native to the same geographic areas.
The organisms share a common ancestry.
The organisms will grow into anatomically similar adults.
- 17. Multiple Choice
The bones in the figure above are-
Evidence of a common ancestor
Evidence that animals can walk
Evidence that fossils are old
Evidence of nothing
- 18. Multiple Choice
How can the pattern of change in the fossil record best be explained?
The mollusks were well adapted to their stable environment. A large, sudden change occurred in their environment. After the change the mollusks with the bigger shells were better adapted for the new environment.
The mollusks were well adapted to their stable environment. The mollusks hybridized with a smaller species of mollusk. A new species of mollusk with a bigger shell resulted.
The mollusks were not well adapted to their environment. The length of the mollusks' shells changed gradually over time. The mollusks in the original population that had small shells died over a period of many years.
- 19. 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.
- Answer choicesTagsAnswer choicesTags