Natural Selection

Front

What is natural selection?

Back

A process by which random changes are selected for by the environment.

Front

What are genetic variations?

Back

Differences in traits among individuals in a population.

Front

What is an adaptation?

Back

A trait that helps an organism survive better in its environment.

Front

What is the role of the environment in natural selection?

Back

The environment determines which traits are advantageous for survival and reproduction.

Front

What happens to traits that are beneficial in a population?

Back

They become more common over generations.

Front

What is the difference between natural selection and artificial selection?

Back

Natural selection occurs through environmental pressures, while artificial selection is driven by human choices.

Front

Can natural selection occur within a single organism's lifetime?

Back

False, natural selection occurs over many generations.

Front

What is a common example of natural selection in action?

Back

The peppered moth changing color during the Industrial Revolution.

Front

How does pollution affect natural selection?

Back

Pollution can create new environmental pressures that favor certain traits over others.

Front

What is a trait that may become more common due to natural selection in a polluted environment?

Back

Fish that are unaffected by pollutants.