Module 14 - Evolution Review

Front

What is the Isthmus of Panama?

Back

A narrow strip of land that connects North and South America, separating the Caribbean Sea and the Pacific Ocean.

Front

How did the formation of the Isthmus of Panama influence marine species?

Back

It prevented related populations from interacting, leading to distinct marine species on either side.

Front

What is speciation?

Back

The process by which populations become distinct species.

Front

What condition increases phenotypic variation in a population?

Back

A mutation leads to individuals with genetic differences.

Front

What is the primary use of evidence collected by scientists in relation to evolution?

Back

To support the theory of evolution.

Front

What are physical adaptations?

Back

Traits such as beak shape, camouflage, and webbed feet that enhance survival.

Front

What is genetic drift?

Back

A mechanism of evolution that refers to random changes in allele frequencies in a population.

Front

What is the founder effect?

Back

A phenomenon where a small group from a larger population establishes a new population, leading to reduced genetic diversity.

Front

What is adaptation in the context of evolution?

Back

The process by which a species becomes better suited to its environment.

Front

What is the role of mutations in evolution?

Back

Mutations introduce genetic variation, which can lead to new traits in a population.