Evolution and Natural Selection

Front

What does Darwin's theory of evolution suggest?

Back

Species change over time.

Front

Who proposed that uncontrolled population growth will lead to competition for resources?

Back

Malthus.

Front

How does a species change over time?

Back

By changes in the gene frequencies in a population.

Front

True or False: Individuals undergo evolution.

Back

False.

Front

Who sent Darwin an essay with similar ideas as what Darwin proposed?

Back

Wallace.

Front

What is natural selection?

Back

The process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

Define adaptation in the context of evolution.

Back

A trait that helps an organism survive and reproduce in its environment.

Front

What is the significance of genetic variation in a population?

Back

It provides the raw material for natural selection to act upon.

Front

What is the role of mutations in evolution?

Back

Mutations introduce new genetic variations that can lead to new traits.

Front

Explain the concept of survival of the fittest.

Back

It refers to the idea that individuals best suited to their environment are more likely to survive and reproduce.