Evolution Test Review

Which would be considered an adaptation of an animal that lives in the water? 

• A thick coat. 
• Thick fur.  
• Webbed feet. 
• Green color skin.

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Darwin observed 13 species of finches on the Galapagos Islands. What did Darwin conclude about the finches? 

• They evolved from a common ancestor.               
• They evolved from 13 different types of birds. 
• They all came from different continents. 
• They developed from other types of organisms. 

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What did Darwin observe about finches in the Galapagos Islands?

• Their feathers were adapted to match their environment
• Their beaks were adapted to match the foods they ate
• They had identical phenotypes in all locations.
• They had identical genotypes in all locations

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Which is a condition required for natural selection to occur in birds? 

• Humans must interfere with the breeding of organisms. 
• Species must produce more offspring than can survive.
• Resources must be unlimited in the natural environments. 
• All organisms of the same species must have the same genetic material. 

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What is the role of genes in evolution?

• Only genes can be acted on by natural selection.
• Only traits that are controlled by genes can be acted on by natural selection
• Parents with recessive genes die from overproduction
• The genes of most surviving parents have only dominant alleles

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The gradual change in a species over time is called

• mutation
• variation
• evolution
• migration

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What refers to the process in which individuals who are better adapted to their environment and can survive and reproduce?

• natural selection
• overproduction
• variation
• competition

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How does natural selection lead to evolution?

• Stronger offspring kill weaker members of the species.
• Best adapted members of a species pass on helpful traits.
• Environmental changes kill weaker members of the species.
• Overpopulation provides food for stronger members of the species.

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Polar bears have evolved to have white fur that helps hide them from their prey in the arctic where they live. What is this an example of?

• adaptation
• inbreeding
• genetic engineering
• mimicry

Why did the population of peppered moths in England change from light to dark after the Industrial revolution? 

• Light moths were killed by soot.
• Dark moths were produced by industrial processes. 
• The birds that ate the dark moths were killed by the soot
• Light moths were more obvious against soot-stained trees

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