Evolution, Pt. 1

Front

What is a phylogenetic tree?

Back

A branching diagram that shows the relationships between species.

Front

What is a fossil?

Back

The remains of a plant or animal from a past geological age.

Front

What is anthropology?

Back

The science of the origins and social relationships of humans.

Front

What is speciation?

Back

The process of evolution of new species that occurs when members of similar populations no longer interbreed to produce fertile offspring.

Front

What is paleontology?

Back

The science that studies fossil organisms.

Front

What is evolution?

Back

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

Front

What is natural selection?

Back

The process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is a gene pool?

Back

The total collection of genes in a population at any one time.

Front

What is adaptation?

Back

A trait that helps an organism survive and reproduce in its environment.

Front

What is a cladogram?

Back

A diagram that shows the evolutionary relationships among a group of organisms.