Natural Selection

A trait that helps an organism survive and reproduce

• Adaptation

• Variation

• Allele

• Species

The theory of natural selection was introduced by

• Gregor Mendel

• Sir Isaac Newton

• Charles Darwin

• Copernicus

What is the theory of natural selection?

• The practice by which humans select plants or animals for breeding based on desired traits.

• An inherited trait that helps an organism to survive.

• Differences in traits

• individuals that are better adapted to their environment are more likely to survive and reproduce

The differences among a species, like different bird beaks, are called _______

• Variation

• Inheritance

• competition

• Genes

What is another name for natural selection?

• survival of the biggest

• survival of the fastest

• survival of the smartest

• survival of the fittest

the differences between individual members of a population

• adaptation

• variation

• mutation

• trait

The differences among a species, like different bird beaks, are called _______

• Variation

• Inheritance

• competition

• Genes

Genetic Changes in a population over a long period of time is called:

• half-life

• evolution

• homologous structure

• All of the above

What is an organism that has similar characteristics and can reproduce?

• species
• organism
• embryology
• vestigial