TASK DEFINITION: Given a scientific passage and an answer, generate a question for the given answer.
PROBLEM: Passage: The last major ice age took place in the Pleistocene. This epoch lasted from 2 million to 14,000 years ago. Earth's temperature was only 5 C (9 F) cooler than it is today. But glaciers covered much of the Northern Hemisphere. In Figure below , you can see how far south they went. Clearly, a small change in temperature can have a big impact on the planet. Humans lived during this ice age. Answer: pleistocene

SOLUTION: The last major ice age took place in which era?

PROBLEM: Passage: Mollusks live in most terrestrial, freshwater, and marine habitats. However, the majority of species live in the ocean. They can be found in both shallow and deep water and from tropical to polar latitudes. They have a variety of ways of getting food. Some are free-living heterotrophs. Others are internal parasites. Mollusks are also eaten by many other organisms, including humans. Answer: ocean

SOLUTION: Where do the majority of species live?

PROBLEM: Passage: Most biochemical molecules are macromolecules, meaning that they are very large. Some contain thousands of monomer molecules. Answer: very large

SOLUTION:
Most biochemical molecules are macromolecules, meaning that they are what?