Natural & Artificial Selection

What is a trait?

• a color

• the quality or characteristic of an organism

• the DNA of an organism

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According to natural selection, dark colored tree trunks would favor

• light colored moths

• dark colored moths

• red colored moths

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What is the goal of artificial selection/selective breeding?

​ I. To increase the value of species to humans

II. To produce species that resist disease

III. To produce species with specific traits

• I and II

• II and III

• I and III

• I, II, and III

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the intentional breeding of plants and animals

• Natural Selection

• Artificial Selection

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In natural selection initially what determines which traits will be passed to the next generation?

• the environment

• the breeder

• it's a 50/50 chance

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Both cause changes in animals and plants.

The difference between the two is that Natural Selection happens naturally, but Artificial Selection (selective breeding) only occurs when humans intervene.

• Natural Vs Artificial Selection

• Genetic Variation

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What makes us all unique, whether in terms of hair color, skin color or even the shape of our faces.

• genetic variation

• natural selection

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Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called natural selection.

• Survival of the Fittest
• Extinction
• Derived trait
• Artificial Selection

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A giraffe has a long neck in order to better reach leaves to eat. This is an example of _____.

• an adaptation

• environment

• response

• stimulus

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When a farmer breeds only his or her best livestock, the process involved is.......

• natural selection

• artificial variation

• artificial selection

• survival of the fittest

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