10A: Natural Selection

Front

What is the term for a group of similar organisms that can reproduce fertile offspring?

Back

Species

Front

What is an inherited trait that gives an organism an advantage in its environment called?

Back

An adaptation

Front

What does the example of the peppered moths near industrial cities demonstrate?

Back

A change in an environment can result in the evolution of species living there.

Front

How do resistant insects make pesticides ineffective?

Back

The resistant insects are able to survive to reproduce and create a population that is also resistant.

Front

Which organisms are most likely to survive in a changing environment?

Back

The best adapted.

Front

What is natural selection?

Back

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

Front

What is the difference between adaptation and evolution?

Back

Adaptation refers to traits that improve survival, while evolution is the change in species over time.

Front

What role does genetic variation play in natural selection?

Back

Genetic variation provides the raw material for natural selection to act upon.

Front

What is a mutation?

Back

A change in the DNA sequence that can lead to new traits.

Front

How can environmental changes lead to evolution?

Back

Environmental changes can favor certain traits, leading to changes in the population over generations.