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 does it mean for a trait to be adaptive?

Back

An adaptive trait is a characteristic that enhances an organism's ability to survive and reproduce in its environment.

Front

What is a non-adaptive trait?

Back

A non-adaptive trait is a characteristic that does not provide any advantage for survival or reproduction in a specific environment.

Front

What is fitness in the context of natural selection?

Back

Fitness refers to an organism's ability to survive, reproduce, and pass on its genes to the next generation.

Front

How do light colored tree trunks affect moth populations?

Back

Light colored tree trunks favor light colored moths, as they are less visible to predators.

Front

What is an example of an adaptive trait in desert animals?

Back

The ability of a lizard to conserve water is an adaptive trait that helps it survive in the desert.

Front

Why do different shaped beaks benefit birds?

Back

Different shaped beaks allow birds to access various food sources, enhancing their survival.

Front

What is the role of beneficial traits in evolution?

Back

Beneficial traits increase an organism's chances of survival and reproduction, leading to those traits being passed on to future generations.

Front

What is an example of a species that has adapted to its environment?

Back

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

Front

What does it mean for a species to evolve?

Back

Evolution is the change in the heritable characteristics of biological populations over successive generations.