23 BIO SOL Units 11+12

Front

What does Charles Darwin's observation of finches on the Galápagos Islands suggest?

Back

The finches descended from a common ancestor.

Front

What is the model that predicts evolution occurs at a slow, steady rate?

Back

Gradualism.

Front

What are the hind leg bones in a whale an example of?

Back

Vestigial structures.

Front

Why do bacteria adapt more quickly than elephants to environmental changes?

Back

Bacteria reproduce more rapidly.

Front

What are the genotypes of the offspring when a homozygous dominant (AA) individual is crossed with a homozygous recessive (aa) individual?

Back

100% Aa.

Front

Define 'homologous structures'.

Back

Structures in different species that are similar due to shared ancestry.

Front

What is 'punctuated equilibrium'?

Back

A model of evolution that proposes species evolve during short periods of rapid change.

Front

What is 'adaptive radiation'?

Back

The process by which organisms diversify rapidly into a variety of forms to adapt to different environments.

Front

Define 'analogous structures'.

Back

Structures in different species that serve similar functions but do not share a common ancestry.

Front

What is 'convergent evolution'?

Back

The process where unrelated organisms develop similar traits due to similar environments.