Marine Biology 10th Edition by Peter Castro,Michael Huber

Exercise 1

Plate tectonics works today in the same way as in the past. Can you project the future positions of the continents by looking at a map of their present positions and the positions of the mid-ocean ridges (see Fig. 2.5)? Which oceans are growing and which are shrinking? Where will new oceans form?
FIGURE 2.5 The major features of the sea floor. Compare this map with Figure 2.6.