- A jellyfish, along with other drifting organisms, is an example of _____.
- As the salinity level of water decreases and the temperature increases, what happens to the density of water?
- The organisms that swim, from small invertebrates to large whales are called _____.
- A parallel is another name for a _____. The 0° parallel is called _____.
- Water becomes _____ dense as it freezes. This is _____ as most substances.
- According to the theory of plate tectonics, at a divergent boundary, plates _____.
- The zone between the low-tide mark and the edge of the continental shelf is the _____.
- One of the advantages of submersibles is _____, where as one of the advantages of self-contained diving is _____.
- What is considered to be the densest type of crust?
- What is the best shape to withstand the intense pressure underwater?
- Pangea is the theorized _____. Panthalassa is the theorized _____.
- The _____ zone refers to the water portion of the ocean. The _____ zone refers to the bottom.
- According to the theory of plate tectonics, at a convergent boundary, plates _____.
- The photic zone is the _____ area of the open ocean, whereas the aphotic zone is the _____ area.
- It is _____ that has made true exploration of the ocean possible.
- According to the theory of plate tectonics, at a shear (transform) boundary, plates _____.
- Who was responsible for the theory of continental drift?
- Mid-ocean ridges, rift valleys, and trenches are thought to represent _____.
- Scientific research generally begins with a _____ based on _____.
- Two characteristics of a hypothesis is that it must be _____ and can be _____.