Evolution- Review for test

Front

What is evolution?

Back

Evolution is the process through which species change over time through variations and natural selection.

Front

What is natural selection?

Back

Natural selection is the mechanism by which individuals with favorable traits are more likely to survive and reproduce.

Front

What does 'survival of the fittest' mean?

Back

It refers to the idea that the individuals best adapted to their environment are more likely to survive and reproduce.

Front

What is a cladogram?

Back

A cladogram is a diagram that shows the evolutionary relationships among various biological species based on similarities and differences in their physical or genetic characteristics.

Front

What is directional selection?

Back

Directional selection is a type of natural selection that favors one extreme phenotype over the mean or other extreme.

Front

What is stabilizing selection?

Back

Stabilizing selection is a type of natural selection that favors average phenotypes and reduces variation.

Front

What is disruptive selection?

Back

Disruptive selection is a type of natural selection that favors extreme phenotypes over intermediate phenotypes.

Front

Who is Alfred Russel Wallace?

Back

Alfred Russel Wallace was a naturalist who independently conceived the theory of evolution through natural selection at the same time as Charles Darwin.

Front

What is genetic drift?

Back

Genetic drift is a mechanism of evolution that refers to random changes in the frequency of alleles in a population.

Front

What is a mutation?

Back

A mutation is a change in the DNA sequence that can lead to new traits in an organism.