Natural selection and Speciation

Where the better adapted organisms survive to pass traits along to offspring.

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

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Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

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Mutations are a change in what?

• DNA
• tRNA
• genotype
• phenotype

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The trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment?

• Dark moth
• Light moth
• Both will be equally successful
• Neither will be successful

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Since the 1800s humans have stopped burning coal, and the trees have returned to their original color. Which moth will be more successful in this environment?

• Dark moth
• Light moth
• Both will be equally successful
• Neither will be successful

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Change over time

• Natural Selection
• Selective Breeding
• Homeostasis
• Evolution

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What process is being shown in this image?

• Variation
• Natural Selection
• Selective Breeding
• Homeostasis

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Which term describes a group of the same species that live in the same area?

• Population
• Community
• Biome
• Ecosystem

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Which best describes mutations?

• Always helpful
• Always harmful
• Can be helpful or harmful
• Always neutral

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These moths are all the same species. The differences between their wings is an example of ________________

• Natural Selection
• Variation
• Homeostasis
• Extinction

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