Evolution Vocab

5. Difference in a physical trait
7. Use of selective breeding to produce organisms with certain desirable traits
8. Ongoing geologic change that adds up over time
10. Ability of an individual to survive and reproduce in a specific environment
13. Process by which evolution occurs
14. Another way of saying natural selection
18. Diversification of a group of organisms into forms filling different ecological niches
21. Change over time

1. Gradual changes from small steps
2. Inhabitants of an area
3. Body parts that have same function but not structure
4. Pattern of evolution where a species is stable for a long time then rapidly changes
6. Occurs when populations are separated by geographic barriers, such as mountains or rivers
9. Structures that are similar but aren't related organisms
11. When organisms disappear from Earth
12. Formation of new species
15. Structures that have no current function
16. Ability of a trait to be passed down
17. Catastrophic events, mass extinction
19. Inherited characteristic that increases an organisms chance of survival
20. Preserved remains of ancient organisms