Daily Spark 11/14

Front

What is Darwin's theory of evolution called?

Back

Descent with Modification

Front

What reveals the historical sequence in which organisms have evolved?

Back

Fossil record

Front

What are structures called that are similar in different species due to a common ancestor?

Back

Homologous structures

Front

What is the ultimate source of genetic variation?

Back

Mutations

Front

What is the Founders Effect?

Back

When a few individuals colonize an island or other new habitat.

Front

What is natural selection?

Back

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

Front

What is the difference between homologous and analogous structures?

Back

Homologous structures are similar due to common ancestry, while analogous structures are similar due to convergent evolution.

Front

What role do mutations play in evolution?

Back

Mutations introduce new genetic variations, which can lead to evolutionary changes.

Front

What is speciation?

Back

The process by which new species arise from existing species.

Front

What is genetic drift?

Back

A mechanism of evolution that refers to random changes in the frequency of alleles in a population.