Natural Selection and Evolution

The Galapagos Island finches' bird beak sizes and shapes changed due to

• different bird songs

• nest building

• food type

• defending the young

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A(n) _________________________ is a slight difference in inherited traits among a population that provides an advantage to living in a specific environment.

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Body parts that are similar in structure and position but different in function are called

• vestigial structures

• homologous structures

• analogous structures

• embryology

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Polar bears have smaller ears than other bear species to protect them from getting frostbite. What type of adaptation would that be?

• Structural

• Functional

• Behavioral

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NGSS.MS-LS4-4

A process by which individuals with traits that help them survive in their environment live longer, compete better and reproduce more than others is known as

• extinction

• conservation biology

• introduction

• natural selection

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When talking about evolution, a variation is

• a permanent change in the DNA

• an inherited trait that increases the chance of survival

• a group of traits only inherited by the males in a family

• a difference in traits that can be inherited within a species

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NGSS.MS-LS4-4

According to Darwin's theory, what process causes populations to change as their environment changes?

• selective breeding

• artificial selection

• natural selection

• none of these

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Who was the naturalist that proposed evolution through natural selection?

• Charles Darwin

• Gregor Mendel

• Gregor Darwin

• Mr. Mattos

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The resemblance of one species to a different species is called

• mimicry

• camouflage

• variation

• conservation biology

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Some water birds (like ducks) produce an oil that acts to waterproof their feathers. What kind of adaptation is this?

• Structural

• Functional

• Behavioral