High School - Evolution and Natural Selection

Front

What is the purpose of the blowhole in whales?

Back

Breathing air

Front

What is Evolution?

Back

Evolution is the process by which different kinds of living organisms have changed over time.

Front

Why are there different beak structures in finches?

Back

Different finches are adapted to different environments.

Front

What is natural selection?

Back

Natural selection is the process where organisms with traits well suited to their environment survive and reproduce at a greater rate.

Front

What type of evidence is represented by homologous structures?

Back

Homologous structures are anatomical features in different species that share a common ancestry.

Front

Define adaptation in the context of evolution.

Back

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

Front

What is a vestigial structure?

Back

A vestigial structure is a body part that has lost its original function through evolution.

Front

Explain the concept of common descent.

Back

Common descent is the idea that all living organisms share a common ancestor.

Front

What role do mutations play in evolution?

Back

Mutations introduce genetic variation, which can lead to new traits in a population.

Front

What is the significance of fossil evidence in understanding evolution?

Back

Fossils provide a historical record of past life forms and show how species have changed over time.