day 2 crossword

1. an animal or plant that lived many thousands of years ago and that has been preserved
3. invisible or indistinguishable without the use of a microscope
5. Gram-negative prokaryotic microorganisms that were originally referred to as the 'blue-green algae'
10. the movement of continents resulting from the motion of tectonic plates
12. originator of continental drift hypothesis
13. supercontinent named by Alfred wagner
14. cells that have specific structures and functions in the body

2. bizarre fossils whose biological origins were debated until only a few decades ago
4. that is found in small quantities in the atmosphere
6. the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
7. he bottom of the ocean.
8. the long-term, predictable atmospheric conditions of a specific area
9. a seafloor mountain system formed by plate tectonics
11. an individual animal, plant, or single-celled life form.