Evolution I

Question 1

Species

Answer 1

Different kinds of organisms; share genetic similarity and can potentially mate

Question 2

Population

Answer 2

All individuals in the same species occupying a specific area over a particular time

Question 3

Fitness

Answer 3

Successful reproduction leaving behind copies of yourself

Question 4

Natural selection

Answer 4

Process through which a trait that offers reproductive advantages to individual organisms spreads in a population over successive generations

Question 5

Evolution

Answer 5

Any genetically based change of phenotype in a population over successive generations

Question 6

Common Descent with Modification

Answer 6

• species undergo modification through successive generations
• changes in species can lead to formation of new, separate species
• all species have descended from other species; single common ancestor lies at base of evolutionary tree