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- 1. Multiple Choice
This is the organisms with traits best suited to their environment are more likely to survive and reproduce.
Variation
Mutation
Natural Selection
Gradualism
- 2. Multiple Choice
This is any variation that makes an organism better suited to its environment.
Evolution
Graduation
Species
Adaptation
- 3. Multiple ChoiceWhich feature helps an animal hide from other animals?looking like a dangerous animalbeing the same color as the place it lives (camoflauge)having sharp claws or a strong shelhaving only a few young and caring for them
- 4. Multiple Choice
How do adaptations help animals?
To escape animals
to hunt for food
to survive in their habitats
All of these are correct
- 5. Multiple ChoiceWhich feature of a rose helps it grow without being eaten by large animals?flowers with bright colorssharp thornssmall seedsdeep roots
- 6. Multiple ChoiceWhich of the following is a physical adaptation for the underlined animal?A butterfly has bright colors to warn predators that it is poisonous.A hognose snake rolls over, slows its breathing, and hangs its tongue out to play dead.A herd of buffalo encircle their young to protect them from a pack of wolves.A dung beetle rolls a piece of dung across the desert.
- 7. Multiple ChoicePolar bears have compact ears, a small tail, and thick fur to keep themselves warm. Are these examples of physical (structural) or behavioural adaptations?PhysicalBehavioural
- 8. Multiple ChoiceWhich statement does not accurately describe natural selection?Individual organisms change their genes to adapt to their environmentThe genetic composition of a population changes from one generation to the nextMore advantageous traits become more common in populationBeneficial and useful traits are inheritable
- 9. Multiple ChoiceWhich of the following ideas is supported by Darwin’s observation of local variation among tortoises in the Galápagos Islands?artificial selectionadaptationacquired characteristicstendency towards perfection
- 10. Multiple Choice
An inherited characteristic that increases an organism's chance of survival
adaptation
evolution
fitness
- 11. Multiple ChoiceCharles Darwin’s observation that finches of different species on the Galápagos Islands have many similar physical characteristics supports the hypothesis that these finches
have the ability to interbreed.
have the ability to interbreed.acquired traits through use and disuse.all eat the same type of food.descended from a common ancestor. - 12. Multiple Choice
Images of the embryo and adult stages of three different organisms are shown.
Which of the following is the best conclusion that can be drawn from this evidence?
Having similar embryos indicates that these organisms eat the same types of food.
Having similar embryos indicates that these organisms live in a similar environment.
Having similar embryos indicates that these organisms share a recent common ancestor.
Having similar embryos indicates that a certain protein controls how many legs the adult organisms will have.
- 13. Multiple Choice
If a new trait DOES help an organism survive, what may happen to it?
It dies and its DNA is not passed on
It survives and its DNA is passed on
It changes its traits to adapt and survive
- 14. Multiple Choice
Researchers discovered that the legs of birds are homologous to the feet of reptiles. Which claim is BEST supported by this fact?
Birds do not require legs
Birds and reptiles have a common ancestor
They randomly developed the same structures
Selection pressures have acted on birds, but not on reptiles
- 15. Multiple Choice
Select ALL the parts of Natural Selection.
overproduction
evolution
variation
selection
competition
- Answer choicesTagsAnswer choicesTags