BIOL1307 - Castro - Exam 1 Review

Natural selection is a dominant evolutionary force, but what is responsible for introducing new traits and behaviors into a population?

• Genetic drift

• Mutation

• Gene flow

• Stabilizing selection

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

A change in the frequency of an allele in a population is the definition of evolution according to the field of...

• anatomy.

• paleontology.

• population genetics.

• systematics.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

According to the Hardy-Weinberg Principle, a population's allele and genotype frequencies will remain stable unless what is acting upon it?

• A selective force

• Non-random mating

• Mutation and migration

• All of the above

Which of the following is not one of the five conditions for a population to be in Hardy-Weinberg equilibrium?

• No mutations

• No gene flow (no migration, no emigration)

• Small population size

• No selective pressure

When a portion of a population leaves to start a new population in a different location, and the genetic structure of the new population changes to match the founding individuals, this is known as the...

• bottleneck effect.

• genetic drift.

• founder effect.

• natural selection.

The flow of alleles into or out of a population due to the migration of individuals or their gametes is called...

• genetic drift.

• gene flow.

• the bottleneck effect.

• the founder effect.

Which type of selection favors two or more extreme phenotypes over the average phenotype?

• Stabilizing selection

• Directional selection

• Diversifying selection

• Sexual selection

The term for the evolutionary history and relationship of an organism or a group of organisms is...

• systematics.
• taxonomy

• phylogeny

• binomial nomenclature

Tags

NGSS.MS-LS4-2

Which of the following is the correct order of the taxonomic classification system from most inclusive to most specific?

• a. Kingdom, Phylum, Class, Order, Family, Genus, Species

• b. Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

• c. Species, Genus, Family, Order, Class, Phylum, Kingdom

• d. Phylum, Kingdom, Class, Order, Family, Genus, Species

The scientific name of an organism, such as Canis lupus for the wolf, consists of its...

• genus and family.

• species and genus.

• genus and species.

• family and species.