D4.1 - Natural Selection

Front

What is natural selection?

Back

Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is genetic variation?

Back

Genetic variation refers to the differences in DNA among individuals within a population, which is essential for natural selection.

Front

What is the significance of overproduction in natural selection?

Back

Overproduction leads to competition for resources, which can result in the survival of the fittest.

Front

Define mutation in the context of evolution.

Back

A mutation is a change in the DNA sequence that can lead to new traits in organisms, contributing to genetic diversity.

Front

What is intersexual selection?

Back

Intersexual selection is a form of natural selection where individuals of one sex choose mates based on certain traits, such as appearance.

Front

What is intrasexual selection?

Back

Intrasexual selection is a form of natural selection where individuals of the same sex compete for mates.

Front

Explain the term 'survival of the fittest'.

Back

'Survival of the fittest' refers to the idea that individuals best suited to their environment are more likely to survive and reproduce.

Front

What role does the environment play in natural selection?

Back

The environment determines which traits are advantageous, influencing which individuals survive and reproduce.

Front

What is adaptive radiation?

Back

Adaptive radiation is the process by which a single ancestor species rapidly diversifies into a wide variety of forms to adapt to different environments.

Front

What is the difference between artificial selection and natural selection?

Back

Artificial selection is the intentional breeding of organisms for desired traits, while natural selection occurs without human intervention.