<span>That would be "Chorionic Villus Sampling"</span>
Glassy igneous rocks (i.e. obsidian) are cooled very rapidly.
The correct answer is: marsupials.
Marsupials are actually defined by their ability to hold the young in the pouches, where they can be well protected. Some examples are Kangaroos and Koalas.
Other answers are wrong: for example, gymnosperms are plants, not animals.