Evolution and Plate Tectonics
Across
- 2. fossil copy of an organism in a rock
- 4. impression of an organism in a rock
- 6. preserved evidence of the activity of an organism
- 7. person who studies plants and animals by observing them
- 9. when all individuals of a species have died
- 10. similar cells that work together and perform a function
- 11. pulling force at a divergent boundary
- 12. the breeding of organisms for desired characteristics
- 16. characteristic of a species that enables the species to survive in its environment
- 17. set of all the fossils ever discovered on Earth
- 22. states that Earth’s crust is broken into rigid plates that move slowly over Earth’s surface
- 23. squeezing force at a convergent boundary
Down
- 1. chart that divides Earth’s history into different time units
- 2. hypothesis stating that continents move
- 3. slight difference in the appearance of individual members of a species
- 5. boundary where two plates move apart from each other
- 8. resemblance of one species to another species
- 13. boundary where plates slide horizontally past each other
- 14. process by which populations of organisms with variations that help them survive in their environments live longer, compete better, and reproduce more than those that do not have the variations
- 15. boundary where two plates move toward each other
- 18. area where one plate slides under another
- 19. adaptation that enables species to blend in with their environments
- 20. change over time in populations of related organisms
- 21. side-by-side dragging force at transform boundaries