TASK DEFINITION: Given a scientific question, generate a correct answer to it.
PROBLEM: Studies have shown that not only does reproduction have a cost as far as how long male fruit flies live, but also fruit flies that have already mated several times have limited amounts of this?

SOLUTION: sperm

PROBLEM: What can happen if there is a blockage in circulation to the brain?

SOLUTION: stroke

PROBLEM: Most modern seed plants are angiosperms that produce seeds in the what of flowers?

SOLUTION:
ovaries