Natural Selection

Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

Do organisms "decide" to evolve and change?

• Yes, they know they need to change to survive 
• No, they change because of natural selection

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Which of the following means "change over time"

• natural selection
• speciation
• evolution
• isolation

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Any inherited trait that gives an organism an advantage in its environment is called ___.

• a mutation
• an adaptation
• evolution
• natural selection

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____ is when members of a species that are best suited for their environment survive and reproduce at a higher rate than other members of the species

• natural selection
• artificial selection
• speciation
• adaptation

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Most organisms have more offspring than will survive 

• True
• False

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Why are advantageous traits more likely to be passed on to the offspring?

• Because parents with those traits can teach their offspring
• Because parents with those traits can surive and reproduce better
• Because parents with those traits care more about their offspring

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The differences among a species, like different bird beaks, are called

• genes.
• variations.
• traits.
• theories.

Which of the following statements best describes what will most likely occur to the moth populations in the image below?

• The light moths will be captured by predators more easily than the dark moths, and the population of dark moths will rise.
• The light moths will be captured by predators more easily than the dark moths, and the population of light moths will rise.
• The dark moths will be captured by predators more easily than the light moths, and the dark moths will probably go extinct.
•  The light moths will change their wing color to match that of the dark moths.

What is the most likely explanation of the data shown below?

• There has been a drought in the area that is affecting all life forms.
• The population of natural predators of the moths has gotten smaller.
• The moths are living in an environment with light trees.
• The moths are living in an environment with dark trees.