Evolution

The combined genetic information of all members of a particular population is called a(n)

• gene pool
• allele frequency
• natural distribution
• DNA sequence

Tags

NGSS.HS-LS4-3

The ___ of an allele is the number of times that the allele occurs in a gene pool, compared with the number of times other alleles occur.

• popularity
• average
• frequency
• size

Male elk fight for the attention of a female.  What is this an example of?

• natural selection
• intrasexual selection
• intersexual selection
• artificial selection

What type of structures had a function in early ancestors but do not serve a purpose in modern organisms?

• pseudogenes
• analogous structures
• homologous structures
• vestigial structures

What is it called when a small number of individuals colonize a new area?

• founder effect
• bottleneck effect
• extinction
• adaptive radiation

What type of natural selection do the graphs show?

• normal
• directional
• stabilizing
• disruptive

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-2

A random change in allele frequency is called

• genetic drift
• fitness
• speciation
• the founder effect

One species of bird mates during the night and another species mates during the day.  What specific type of isolation is this?

• behavioral
• geographic
• temporal
• foundational

Type of structures indicated by cricket wings and eagle wings.

• Analogous
• Homologous
• Vestigial
• Pseudo

Tags

NGSS.MS-LS4-2

The leg of a horse and the flipper of a whale are examples of these types of structures.

• Analogous
• Homologous
• Vestigial
• Pseudo

Tags

NGSS.MS-LS4-2