Mechanisms of Evolution

Genetic drift is change in the allele frequency of a population due to...

• random chance
• natural selection
• non-random mating (sexual selection)
• artificial selection

Tags

NGSS.MS-LS4-4

 Genetic Drift is more likely to happen in... 

• aquatic populations
• small populations
• terrestrial populations
• older populations

Tags

NGSS.HS-LS4-2

This mechanism of evolution occurs when populations migrate.

• Extinction
• Gene flow
• Genetic drift
• Natural Selection

Tags

NGSS.MS-LS2-2

Which of the following cannot introduce new alleles into a population's gene pool?

• Mutataion
• Natural selection
• Gene Flow
• All of the above introduce new alleles into the population

The process by which organisms change over time is:

• Diversity
• Descent
• Evolution
• Unity

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

NGSS.HS-LS4-5

What is the name of the process in which the most favorable traits are passed onto the next generation?

• Genetic drift
• Gene pool
• Gene flow
• Natural selection

Tags

NGSS.HS-LS4-3

NGSS.HS-LS4-4

The type of genetic drift that follows the colonization of a new habitat by a small group of individuals is called

• the Hardy-Weinberg principle
• the founder effect
• directional selection
• the bottleneck effect

What is this an example of?

• diversity of species
• variation
• vestigial structures
• DNA studies

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

NGSS.HS-LS4-4

Which of the following is NOT an example of natural selection? 

• People selectively breeding hamsters.
• Insect populations developing resistance to certain pesticides.
• Bacteria becoming resistant to antibiotics.
• Male birds of certain species developing colorful feathers to attract female mates.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

Inherited trait that helps an organism survive is a(n) __________.

• Fossil
• Adaptation
• Ancestor
• Natural selection

Tags

NGSS.HS-LS4-3

NGSS.HS-LS4-4