Evolution Review

Front

What does Darwin's theory of evolution suggest?

Back

Species change over time.

Front

Darwin observed that the shape of these finches _________ were well matched with the seeds available in their own distinct environment.

Back

Beaks.

Front

What term describes genetic differences between organisms of the same species?

Back

Variation.

Front

Another word for adapt is ____________.

Back

Change.

Front

What is an original species from which all other species evolved?

Back

Common Ancestor.

Front

What is natural selection?

Back

The process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is the significance of the Galapagos Islands in Darwin's research?

Back

They provided unique species that helped Darwin formulate his theory of evolution.

Front

What is a fossil?

Back

The preserved remains or traces of a once-living organism.

Front

What does the term 'descent with modification' mean?

Back

It refers to the passing on of traits from parent organisms to their offspring, with changes over generations.

Front

What is the role of variation in evolution?

Back

Variation provides the raw material for natural selection to act upon.