1. But just how ancient fish made this shift to terrestrial life still remains largely a mystery.

2. This difference may be one of the reasons why gigantic terrestrial mammals are so rare.

3. This scenario would make it difficult to achieve the mix of material seen in terrestrial and lunar rocks, he said.

4. This darkness and cold would have killed off plants and caused a global collapse of terrestrial and marine food webs.

5. Areas that have poor network infrastructure could benefit from the balloons that supply mobile broadband to terrestrial users.

6. Combining aerial and terrestrial capabilities has been a challenge in the advancement of unmanned robotics and drones.

7. The scientists noted that the timing of this mutation coincided with a shift to a terrestrial lifestyle.

8. All the samples were taken from the interiors of the meteorites, to avoid terrestrial contamination.

9. There are a handful of stable spots around the world, usually in the interior of continents, called the terrestrial reference frame.