TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Biodiversity is the term for the measurement of the amount of variation of species in a given area.

SOLUTION: What is the term for the measurement of the amount of variation of species in a given area?

PROBLEM: Terrestrial biomes are classified by climatic factors and types of primary producers.

SOLUTION: What are classified by climatic factors and types of primary producers?

PROBLEM: Saprotrophs are decomposers that feed on the organic matter left over from other decomposers.

SOLUTION:
What are decomposers that feed on the organic matter left over from other decomposers?