Changes Over Time

The Law of use/disuse was part of who's theory?

• Darwin

• Buffon

• Lamarck

• Tusi

Darwin's theory of evolution consisted of which of the following?

• Genetic variation already exists in a population

• Traits are inherited through genes passed down from parents

• Change over time

• Nature favors one gene over others (natural selection)

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NGSS.MS-LS4-4

According to Darwin's Theory of evolution, Changes in a population occur

• fast

• slowly

• once in a while

• almost never

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NGSS.MS-LS4-1

Lamarck and Darwin agreed that

• Organisms have changed over time (evolved)

• Genes are changed by an individual’s life experiences or activities

• Organisms change to better fit their environment

• Nature favors one gene over others (natural selection)

Which of the following means "genetic change over time"

• natural selection

• speciation

• evolution

• fitness

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NGSS.MS-LS4-1

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Change over time is ________.

• Evolution

• Biological Evolution

• Extinction

• Mass Extinction

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NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Scientists suspect that modern horses have different dietary habits than horses that lived long ago. Which of the following would be best for a scientist to do to determine whether the dietary habits of horses have changed over time?

• compare the teeth of modern horses to fossilized teeth from ancient horses

• study the overall anatomy of a modern horse

• compare the teeth of modern horses to the teeth of modern donkeys

• study the diet of modern horses

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

a change or the process of change by which an organism or species becomes better suited to its environment

• adaptation

• relative dating

• evolution

• natural selection

Tags

NGSS.MS-LS4-4

the change in characteristics of a species over several generations and relies on the process of natural selection

• evolution

• natural select

• scientific theory

• adaptation

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occurs where the increment of change is very large, where there may not appear to be a change at all

• punctuated evolution

• gradualism

• evolution

• variation