Across
- 5. drifting of the land
- 8. German climatologist, geologist, geophysicist, meteorologist, and polar researcher
- 9. invisible without a microscope
- 10. geological process in which the oceanic lithosphere and some continental lithosphere is recycled into the Earth's mantle
- 11. bizarre fossils whose biological origins were debated until only a few decades ago
- 12. another word to call a living creature
- 13. earths mega structure of land
Down
- 1. a type of gas that was abundant is early earth history
- 2. weather in an area
- 3. seafloor mountain system formed by plate tectonics
- 4. the bottom of the sea
- 5. phylum of autotrophic gram-negative bacteria that can obtain biological energy via oxygenic photosynthesis
- 6. remains of a dead organism preserved over time
- 7. cells that have specific structures and functions in the body