Evolution

 In a small population, a random change in allele frequency is called

• Genetic drift
• Natural selection
• Adaptive radiation
• Evolution

Tags

NGSS.MS-LS4-4

When birds cannot interbreed because they have different mating songs, they are separated by

• Temporal isolation
• Behavioral isolation
• Geographic isolation
• Habitat isolation

A situation in which allele frequencies change as a result of the migration of a small subgroup of a population is known as the

• Descent with modification
• Bottleneck effect
• Founder effect
• Survival of the fittest

Two related species that live in the same area but mate during different seasons are separated by

• Temporal isolation
• Behavioral isolation
• Geographic isolation
• Habitat isolation

Tags

NGSS.HS-LS4-4

__ is the number of times an allele occurs in a gene pool, compared to the total number of alleles in that pool for the same gene. 

• Gene pool
• Allele frequency
• Crossing-over
• Probability

Tags

NGSS.HS-LS3-3

Traits controlled by two or more genes are polygenic traits.

• True
• False

Genetic drift is the formation of new species.

• False, evolution is the formation of a new species.
• False, speciation is the formation of a new species
• True
• False, mutation is the formation of a new species

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

When individuals with either extreme version of a trait have a greater fitness than those with the average version; this is a type of selection called

• stabilizing selection
• directional selection
• sexual selection
• disruptive selection

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

When individuals with the AVERAGE form of a trait have the highest fitness; this is a type of selection called

• stabilizing selection
• directional selection
• sexual selection
• disruptive selection

When individuals that display a more extreme form of a trait have a greater fitness then those with an average form of trait; this is a type of selection called

• stabilizing selection
• directional selection
• sexual selection
• disruptive selection