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- 1. Multiple ChoiceA species lives in a particular environment. What is TRUE about the environment that the species lives in and about how the species will look over thousands of years?The environment will stay the same, and the traits of the species will stay the same.There will be changes to the environment, but the traits of the species will stay the same.There will be changes to the environment that could lead to changes in the traits of the species.There will be changes to the environment, and the traits of the species will change, but the changes in the environment could never lead to changes in the traits of species.
- 2. Multiple ChoiceIndividual members of a species could have differences in inherited characteristics that affect which of the following?Both their ability to find food and their ability to attract matesTheir ability to find food but not their ability to attract matesTheir ability to attract mates but not their ability to find foodNeither their ability to attract mates nor their ability to find food
- 3. Multiple ChoiceWhich statement is most closely related to the modern theory of evolution?Characteristics that are acquired during life are passed to offspring by sexual reproduction.Evolution is the result of mutations and recombination, only.Organisms best adapted to a changed envi- ronment are more likely to reproduce and pass their genes to offspring.A sexual reproduction increases the survival of species.
- 4. Multiple ChoiceAny variation that can help a species survive in a given environment is called...an adaptationa characteristica homologous structurea vestigial structure
- 5. Multiple ChoiceHow did different beak sizes in birds first arise?They arose because of their need to be able to eat different food.The arose by chance (random mutation).The environment made the change happen.The finches beaks changed a little at a time each generation.
- 6. Multiple Choice
The difference in the physical traits of an individual from those of other individuals in a group is called ____________.changeadaptationspeciesvariation - 7. Multiple ChoiceThe gradual development of a species into a new one to survive.EvolutionNatural SelectionExtinctionArtificial Selection
- 8. Multiple ChoiceStructures that have different (adult) forms but develop from the same embryonic tissue are called ________.analagousadaptationshomologousfossils
- 9. Multiple ChoiceIntermediate fossil forms are important evidence of evolution because they show _________.how organisms changed over timehow animals behaved in their environmentshow the embryos of organisms developmolecular homologies
- 10. Multiple ChoiceThe idea that evolution sometimes occurs in relatively short periods of time followed by periods of little change.stabilizing selectiondirectional selectiondisruptive selectionpuntuated equilibrium
- 11. Multiple ChoiceHow would you describe the type of evolution shown in the diagram?Homologous structureAnalogous structureStructural adaptationFunctional adaptation
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