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artificial selection the intentional reproduction of individuals in a population that have desirable traits
natural selection the process whereby organisms better adapted to their environment tend to survive and produce more offspring
evolution the gradual development of something
4 principles of natural selection #1 1. All populations of organisms, no matter how similar, will have genetic variations
2nd principle of selection 2. The environment creates obstacles that challenge the creation of new offspring.
3rd principle of selection 3. Individual organisms that are more suited for survival in their environment will produce more offspring than those that are not
4th principle of selection 4. Individual organisms will produce more offspring than their environment can support and these offspring will struggle for the right to keep living.
adaptation a characteristic that increases fitness
fitness the ability to survive and reproduce
Created by: Emily_Shelby4