Evolution in Populations

Studying the development of ____ can provide scientists with evidence that certain species are related.

• fish

• embryos

• Tiktaalik

• vestigial structures

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measure of an organisms's ability to survive and produce offspring relative to other members of a population 

• Natural Selection

• Adaptation

• Fitness

• Variation

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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.

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The trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment?

• Dark moth

• Light moth

• Both will be equally successful

• Neither will be successful

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When the Grand Canyon in Arizona formed, two populations of one squirrel species were separated by the giant canyon. This is an example of _____________ speciation.

• Allopatric

• Sympatric

• Simple

• Divergent

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What is another name for natural selection?

• survival of the smartest

• survival of the fastest

• survival of the biggest

• survival of the fittest

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Mechanism of evolution responsible for a random change in a population is known as:

• Speciation

• Selection

• Genetic Drift

• Variation

The process of choosing parent organisms for desired characteristics is called

• natural selection

• Artificial selection

• random selection

• genetic manipulation

What is an example of artificial selection?

• Letting dogs choose their own mate

• Letting plants pollinate on their own

• Crossing a labrador and a poodle to create a labradoodle

Artificial selection is also known as

• natural selection

• selective hearing

• genetic manipulation

• selective breeding