Across
- 3. the smallest of the world's four major oceans
- 5. these ions are an important building block of shells and coral skeleton.
- 10. the type of zooplankton that become nektonic or benthic.
- 11. microscopic organisms that "drift" in the ocean.
- 12. some coral reproduce sexually by releasing sperm and eggs all at once.
- 14. this forms more slowly in winter and melts faster in summer up in the Arctic
- 15. sea level rise happens when ____ melt.
- 17. unicellular plankton that have skeletons made of silica
Down
- 1. type of symbiotic relationship in which one benefits and the other is hurt
- 2. photosynthetic algae that give the color to coral.
- 4. this type of holoplankton is also the the type of plankton on spongebob
- 6. when carbon dioxide is absorbed into the ocean and makes it more ____
- 7. type of coloration that allows an animal to blend into its environment
- 8. a species found in such small numbers in high danger or becoming extinct
- 9. phytoplankton needs this in order to photosynthesize and produce energy
- 13. multicellular colony of these form coral reefs.
- 16. coral reefs flourish in clean, clear, shallow waters in _____ temperature.