
Evolution Intro/Mutation/Non Random Mating
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9th Grade
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Chris Thomas
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14 Slides • 17 Questions
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Multiple Choice
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Multiple Choice
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Multiple Choice
Which statement best describes Natural selection?
The best adapted organisms survive and reproduce.
There are a set amount of organisms.
Organisms only change through genetic engineering.
Organisms slowly adapt to their surroundings over a lifetime.
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Multiple Choice
Genes that are beneficial to the species will....
evolve a new species
will not be passed down to its' offspring
become more common over time
cause the extinction of a species
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Multiple Choice
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Multiple Choice
an inherited behavior or physical characteristic that helps an organism survive and reproduce in its environment.
adaptation
natural selection
niche
competition
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Multiple Choice
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Multiple Choice
Adaptations can be:
camouflage
ability to survive cold weather
hunting skills
all of the above
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Multiple Choice
What is the main purpose of mutations caused by environmental factors?
To increase genetic stability
To eliminate genetic variations
To promote species extinction
To introduce new genetic traits
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Multiple Choice
What is genetic recombination?
The combination of genes produced by crossing over and independent assortment.
When genes located close to each other on the same chromosome tend to travel together during meiosis.
A map that shows the sequence of genes on a chromosome.
The occurrence of one or more extra sets of chromosomes.
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Multiple Choice
Why is genetic recombination a good thing?
Gives us new genes
is lethal in humans
increases genetic variation
separates during crossing over
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Multiple Choice
Which process is responsible for creating new genetic combinations during meiosis?
Transcription
Translation
Crossing over
DNA replication
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Multiple Choice
Which process is responsible for the formation of gametes?
Mitosis
Meiosis
DNA replication
Transcription
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Multiple Choice
What is the main source of genetic variation in a population?
Genetic drift
Gene flow
Natural selection
Mutation
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Multiple Choice
The female birds of paradise tend to look for the most colorful, best dancing males to make babies together.
Genetic Drift
Non-random mating
Gene flow
Mutation
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Multiple Choice
Males of the bighorn sheep species fight one another to show females who is the dominant male and are more likely to mate with females.
Natural Selection
Mutation
Genetic Drift
Non-Random Mating
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Multiple Choice
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