Evolution Review (7ABCDE)

Front

What is evolution?

Back

The gradual change in species over time.

Front

What is variation in biology?

Back

Genetic differences between organisms of the same species.

Front

What drives natural selection?

Back

Natural selection is driven by environmental pressures that favor certain traits over others.

Front

Which moth would likely increase in population in a dark environment?

Back

DARK moths would likely increase in population.

Front

What is a fossil?

Back

A fossil is the preserved remains or traces of an organism that lived in the past.

Front

How can the age of fossils be determined?

Back

The age of fossils can be determined by their depth in sedimentary rock; deeper fossils are generally older.

Front

What is the role of a paleontologist?

Back

A paleontologist studies fossils to understand the history of life on Earth.

Front

Do organisms consciously decide to evolve?

Back

No, organisms do not decide to evolve; they change due to natural selection.

Front

What is adaptation?

Back

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

Front

What is the significance of genetic variation?

Back

Genetic variation is important for a population's ability to adapt to changing environments.