Required Review - 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 variation in a species?

Back

Variation refers to the differences in physical traits among individuals of the same species.

Front

How does pollution affect natural selection in fish populations?

Back

Pollution can change the environment, making certain traits, like darker coloration, more advantageous for survival.

Front

What is an adaptation?

Back

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

Front

What role does competition play in natural selection?

Back

Competition for resources can lead to the survival of individuals with advantageous traits.

Front

What is the significance of the peppered moth in studying natural selection?

Back

The peppered moth demonstrates how environmental changes can lead to shifts in population traits due to natural selection.

Front

What is the relationship between food availability and antler growth in moose?

Back

In environments with abundant food, moose may have less need for large antlers, leading to a decrease in their size.

Front

What is the impact of predation on moth populations?

Back

Predation can lead to a decrease in populations of less camouflaged moths, favoring those that blend into their environment.

Front

What is the concept of fitness in natural selection?

Back

Fitness refers to an organism's ability to survive and reproduce in its environment.

Front

How do Galapagos finches illustrate adaptation?

Back

Galapagos finches have different beak shapes adapted to the specific food sources available on their respective islands.