Principles of 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.

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Do organisms "decide" to evolve and change?

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

In natural selection, the selective agent is the

• humans

• mutations

• breeders

• environment

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The development by scientists of a new color in a rose is the result of

• natural selection

• artificial selection

• descent with modification

• overproduction

All the rabbits living in a particular area would be an example of a(n)

• population

• species

• fossil

• individual organism

A bird that can easily outcompete other birds for food and that can produce many eggs has a high

• life expectancy

• mutation rate

• fitness

• adaptability

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Which of the following describes natural selection?

• It acts on genetic material directly

• It acts on existing physical traits

• It forms new traits

• It forms new genetic material

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What is the definition of natural selection?

• The process in which genes are chosen by humans such as farmers and ranchers

• The process in which organisms are chosen by environmental pressures such as climate, available food, predators and habitat.

• If an organism changes during their life in order to adapt to its environment, those changes are passed on to its offspring.

• The process in which genes are chosen by scientist and academics.

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The Aztecs and Maya Tribes of Mexico where some of the first humans to slowly change wild corn to the corn we know today. What process did these tribes use?

• Natural Selection

• Artificial Selection

• Mitosis

• adaptive radiation

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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