2.6 Adaptations and Evolution

Which of the following is NOT a factor in natural selection?

• Variation

• Overproduction of offspring

• Random mutations

• Inheritance of acquired traits

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NGSS.MS-LS4-4

In the case study of the peppered moth, what was a key factor for the moths' fast response to environmental changes?

• Lack of predators

• Variation within the population

• Constant environment

• Absence of competition

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NGSS.MS-LS4-4

How did modern history change our understanding of evolution?

• By proving that evolution is a myth

• Through the use of molecular tools like DNA sequencing

• By showing that species do not change over time

• By eliminating the concept of natural selection

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NGSS.MS-LS4-5

What is the correct sequence of evolution of life on Earth according to the document?

• Mammals → Reptiles → Amphibians → Fish

• Fish → Amphibians → Reptiles → Mammals

• Reptiles → Fish → Mammals → Amphibians

• Amphibians → Fish → Mammals → Reptiles

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NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which creature survived the asteroid impact and is considered the ancestor of all mammals today?

• Dinosaur

• Reptile

• Shrew-like creature

• Bird

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NGSS.MS-LS4-1

NGSS.MS-LS4-2

What is genetic drift?

• A) Changes in populations due to natural selection

• B) Changes in populations due to chance and random events

• C) Changes in populations due to mutation

• D) Changes in populations due to migration

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NGSS.MS-LS4-4

What is the Bottleneck Effect?

• Population expands significantly

• Population contracts significantly into a smaller size by a sudden event

• Population remains stable

• Population splits into two equal groups

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NGSS.MS-LS2-4

What is the Founder Effect?

• A) A large group in a population splits off

• B) A small group in a population splinters off from the original population

• C) The entire population migrates

• D) The population size doubles

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NGSS.MS-LS4-4

What does the diagram of the Bottleneck Effect illustrate?

• Increase in genetic variation

• Loss of genetic variation

• Stable genetic variation

• Doubling of genetic variation

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NGSS.MS-LS4-4

What is the significance of the shrew-like creature mentioned in the text?

• It was the largest dinosaur

• It is the ancestor of all mammals today

• It was a type of bird

• It was a type of reptile

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NGSS.MS-LS4-1

NGSS.MS-LS4-2