A group of organisms that can mate with other members of the same group and produce fertile offspring

Any structure or behavior that helps an organism survive its enviroment

Any structure or behavior that helps an organism survive its enviroment

A random change in the DNA that affect appearance or behavior of a living thing

the change of a species over time

the change of a species over time

a person with little education who will never contribute for a better society

A person who studied different organisms and contributed to science with the Theory of Natural Selection

The remains or imprints of a once living organism

a timeline made of all life known

the process of keeping desired traits in an organism and have it reproduce. 

this states that the organisms best fitted to their enviroment will survive