Amplify Natural Selection Chapter 1

Front

What determines which traits can become more common over generations?

Back

The traits that exist in a population.

Front

What is the definition of an environment in ecological terms?

Back

All the living and nonliving things in an area.

Front

What trend was observed in beak length from 1960 to 2010?

Back

The distribution of medium beaks increased.

Front

What is a non-adaptive trait?

Back

Traits that make it less likely that an organism will survive.

Front

What is a feature in biological terms?

Back

A characteristic that all members of a species have.

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 an adaptive trait?

Back

A trait that increases an organism's chances of survival and reproduction.

Front

Define population in ecological terms.

Back

A group of individuals of the same species living in a specific area.

Front

What is the significance of genetic variation in a population?

Back

It allows for adaptation to changing environments and is essential for natural selection.

Front

What role does competition play in natural selection?

Back

It drives the survival of the fittest, as organisms compete for limited resources.