
U7_Adpations & Natural Selection Notes
Presentation
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Science
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7th Grade
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Practice Problem
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Medium
+14
Standards-aligned
Whitney Hughes
Used 45+ times
FREE Resource
11 Slides • 14 Questions
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Examples on next slide!
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Examples!
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More
Examples!
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Multiple Choice
What is an adaptation?
A skill that is learned during an organism's life
A temporary change in an organism's behavior
An inherited trait that increases an organism's chance of surviving and reproducing
A physical change that occurs in response to a temporary environment
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Multiple Choice
Why are adaptations important for populations?
Adaptations help individuals survive
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Multiple Choice
What could happen to a population that cannot adapt?
It will become dominant
It will increase in number
It will migrate to a different habitat
It will go extinct
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Open Ended
What purpose does white fur serve for an animal in a snowy environment?
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10
Multiple Choice
Which mutations are more likely to be passed on to future generations?
Not favorable mutations
Favorable mutations
Mutations that occur in offspring.
All mutations
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12
Multiple Choice
What is genetic variation?
The process by which new species are created.
The study of genes and their functions.
The natural differences within a species.
The intentional breeding of species to produce desired traits.
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Multiple Choice
Which of the following is an example of genetic variation?
Different fur length in dogs
Different blood types in humans
Different coat colors in wolfs
All of these
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15
Multiple Choice
What is natural selection?
A process where only the strongest organisms survive
A method of artificial breeding in organisms
A process where organisms evolve through favorable traits that help them survive and reproduce
A theory that all organisms have the same chance of survival
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Multiple Choice
What is a favorable trait?
A trait that makes an organism less likely to survive and reproduce
A trait that gives an organism an advantage to survive and reproduce
A trait that is common in all organisms
A trait that an organism can learn during its lifetime
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Multiple Choice
What does the Theory of Evolution state about the origin of life on Earth?
life on Earth was created simultaneously.
life on Earth has remained unchanged since its beginning.
life on Earth developed from preexisting life over time.
life on Earth came from another planet.
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Multiple Choice
What contributed to the different beak shapes of finches on the Galapagos Islands?
Natural selection and
variations in beak size and shape
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Multiple Choice
Why is a population with a lot of genetic variation considered more stable?
It has a higher chance of having individuals that are adapted to new conditions.
It can change the environment to suit its needs.
It is less likely to interact with other populations.
It has a lower chance of survival.
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Multiple Choice
What are the possible outcomes for a population when the environment changes?
Adaptation, migration, or extinction
Mutation, adaptation, or extinction
Hibernation, adaptation, or migration
Adaption, mutation, or migration
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Multiple Choice
In the forest there are two types of moths. One is a light gray and the other is a dark brown. The light gray moths blend in with the light gray trees while the dark brown moths stand out. What would happen to the population if pollution caused the trees to darken?
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