Natural Selection Vs. Selective Breeding (Edusmart)

 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.
• Crossing a labrador retriever with a poodle.

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 What is 1 way selective breeding is DIFFERENT from natural selection?
(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.

 How are HYBRIDIZATION and INBREEDING similar?
HINT: Selective breeding is when organisms are bred for the purpose of passing on specific or favorable traits to the next generation. Inbreeding is a type of selective breeding that crosses two organisms with similar genetic traits. Hybridization is a type of selective breeding that crosses two organisms with different genetic traits.

• Both are a form of natural selection.
• Both are a form of selective breeding.
• Both result in no change in genetic traits.
• Both involve breeding organisms with similar genetic traits.

 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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When people pick 2 organisms with different genetic traits to breed,
 so the offspring will inherit the best traits from both parents:

• adaptation
• hybridization
• inbreeding
• natural selection

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