Natural Selection Vs. Selective Breeding

 According to natural selection, which organisms are most likely to survive?

• The fastest organisms
• The biggest organisms
• The best-adapted organisms
• The most domesticated organisms

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When humans breed organisms with specific traits to influence the traits of the next generation, it is __________.

• adaptation
• natural breeding
• natural selection
• selective breeding 

This sequence of pictures of a population of mice in the wild BEST represents _______. 

• natural selection
• selective breeding 
• inbreeding (selective breeding that crosses two organisms with similar genetic traits. )
• asexual reproduction

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“People identify the trait they want, then only allow animals with that trait to breed with one another.”  Which of the following BEST matches the statement above? 

• Advantageous (good) Trait
• Natural Breeding
• Selective Breeding 
• Natural Selection 

The graph shows how the finch population in Burke Lake changed during the past 50 years. What is one thing you can infer based on the information presented in the graph? 

• Thin-beaked finches prey on wide-beaked finches.
• Wide-beaked finches are better suited for life in an ocean environment.
• Thin-beaked finches are better suited to the environment in Burke Lake.
• Wide-beaked finches are better suited to the environment in Burke Lake. 

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Which is an example of SELECTIVE BREEDING ?

(also called artificial selection)

• A giraffe’s long neck.

• Training a horse to run faster.

• Clipping a horse’s tail so it is not too long.

• Breeding a labrador retriever with a poodle.

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What is 1 way selective breeding is DIFFERENT from natural selection? (Remember: Selective breeding is also called artificial selection)

• Selective breeding does not produce any offspring at all.

• Humans, not nature, control reproduction in selective breeding.

• Nature, not humans, controls reproduction in selective breeding.

• Animals are the only organisms that can be selectively bred, while both plants and animals can undergo natural selection.

 The diagram shows a population of ladybugs that changed over 15 years. What is the most likely explanation for this change?

• Wings are an advantageous (good) trait.
• Black spots are an advantageous (good) trait.
• Yellow coloring is an advantageous (good) trait.
• Red coloring is an advantageous (good) trait. 

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This picture shows that the LARGE GROUND FINCH has a thick strong beak, an adaptation for eating

• plants
• insects
• cactus
• seeds

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Most domesticated animals have been bred for specific, favorable traits. Dairy cows are bred for maximum milk production while dogs are bred for size and color, among other characteristics. The process of humans controlling the breeding of organisms is known as -

• natural selection

• selective breeding

• manipulative reproduction

• sheltered breeding

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