TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Processing of filtrate in the proximal tubule helps maintain the ph level in body fluid.

SOLUTION: Processing of filtrate in the proximal tubule helps maintain what level in body fluid?

PROBLEM: Altricial organisms are helpless at birth and require lots of help from their parents.

SOLUTION: What type of organisms are helpless at birth and require lots of help from their parents?

PROBLEM: Human beings depend on learned behaviors more than any other?

SOLUTION:
Human beings depend on learned behaviors more than any other?