Darwin/Evolution

Front

What is a mutation?

Back

A mutation is a random change in the DNA of a gene.

Front

What do closely related organisms have in common?

Back

They have very similar DNA sequences.

Front

What did Charles Darwin observe about finches in the Galapagos Islands?

Back

He observed different species on different islands.

Front

What is natural selection?

Back

Natural selection is the theory that individuals with advantageous traits are more likely to survive and reproduce.

Front

What is biodiversity?

Back

Biodiversity is the variety of living things on Earth.

Front

What is evolution?

Back

Evolution is the process by which different kinds of living organisms develop and diversify from earlier forms.

Front

What is adaptation?

Back

Adaptation is a trait that helps an organism survive in its environment.

Front

What is a gene?

Back

A gene is a segment of DNA that contains instructions for building proteins.

Front

What is a gene pool?

Back

A gene pool is the total collection of genes in a population.

Front

What is an allele?

Back

An allele is a variant form of a gene.