Finches

what did Charles Darwin observe in finch populations of the Galapagos Islands off the coast of South America?

• different species on different islands
• all species on one of the islands
• identical species on all the islands
• the same species as North America

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Natural selection can also be referred to as:

• Survival of the weakest
• Survival
• Survival of the fittest
• Artificial selection

The term that best describes  "the better adapted organisms survive to pass traits along to offspring".

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

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All of these finches have different shaped beaks, they are an adaptation to gain access of 

• Water
• Food
• Shelter

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According to the theory of natural selection, why are some individuals more likely than others to survive and reproduce? 

• Some individuals pass on to their offspring new characteristics they have acquired during their lifetimes. 
• Some individuals are better adapted to exist in their environment than others are. 
• Some individuals do not pass on to their offspring new characteristics they have acquired during their lifetimes. 
• Some individuals tend to produce fewer offspring than others in the same environment. 

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Base your answer(s) to the following question(s) on the diagram below that shows variations in the beaks of finches in the Galapagos Islands and on your knowledge of biology. 
The diversity of species seen on the Galapagos Islands is mostly due to 

• gene manipulation by scientists 
• gene changes resulting from mitotic cell division 
• natural selection 
• selective breeding 

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Base your answer(s) to the following question(s) on the information below and on your knowledge of biology. The diagram below represents the relationship between beak structure and food in several species of finches in the Galapagos Islands. 
Which factor most directly influenced the evolution of the diverse types of beaks of these finches? 

• predation by humans 
• available food sources 
• oceanic storms 
• lack of available niches 

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Base your answer(s) to question(s) on the diagram below and on your knowledge of biology. The diagram shows the heads of four different species of Galapagos Islands finches. 
The four different types of beaks shown are most likely the result of 

• gene manipulation 
• natural selection 
• unchanging environmental conditions 
• patterns of behavior learned from parents 

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This scientist developed the theory of evolution as he studied the finches.

• Charles Darwin
• Isaac Newton
• Albert Einstein
• Marie Curie

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Behavioral changes of individuals of a species that allow for better survival. (Acquired traits)

• Variation
• Adaptation
• Behavior
• Environment

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