Unit 7: Evolution Review

Front

Which animal is the MOST similar to the Human from the list below? Bat, Lizard, Whale, Bird

Back

Lizard

Front

Structures with the same parts have different functions; suggests that organisms share a common ancestry.

Back

Homologous structures

Front

The hypothesis that evolution of a species occurs in periods of rapid change separated by periods of little or no change is called?

Back

Punctuated equilibrium

Front

Bursts of change followed by periods of stability.

Back

Punctuated equilibrium

Front

The hypothesis that evolution of a species occurs gradually over time as a slow and constant process is known as?

Back

Gradualism

Front

What are vestigial structures?

Back

Structures that have lost their original function through evolution.

Front

Define adaptive radiation.

Back

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

Front

What is the significance of fossil evidence in evolution?

Back

Fossils provide evidence of past life forms and show how species have changed over time.

Front

What is microevolution?

Back

Small-scale evolutionary changes within a species, often in response to environmental pressures.

Front

Explain the concept of speciation.

Back

The formation of new and distinct species in the course of evolution.