Across
- 2. the name of Charles Darwin's ship
- 10. describes how a population changes over time
- 11. the type of reproductive isolation where groups are separated by thier actions
- 13. how well an organism can survive and reproduce in their environment
- 14. organs or structures that don’t have any useful function or are no longer used for their original purpose.
- 15. structures that have the same function, but are not similar in origin or shape.
- 16. the process by which organisms with variations most suited to their local environment survive and leave more offspring.
- 17. the type of reproductive isolation where groups are separated by physical barriers
- 18. the study of the distribution of organisms around the world.
- 19. the formation of a new species
Down
- 1. evolution toward similar characteristics in different species
- 3. humans selecting natural variations in plants and animals that they find useful.
- 4. Any heritable characteristic that increases an organism’s ability to survive and reproduce
- 5. when closely related species evolve in different directions and become increasingly different.
- 6. traits altered by an individual during their lifetime
- 7. the type of reproductive isolation where groups are separated by time.
- 8. structures are features that are similar in structure but appear in different organisms with different
- 9. explanation of the natural world that is well supported by evidence
- 12. the process by which two species evolve in response to changes in each other over time
