Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[Q]: Overlapping food web an eagle, a land eater, goes and gets fish from the sea, as well, its called.
[A]: When an eagle, a land eater, goes and gets fish from the sea, as well, its called?


[Q]: Filter feeders called rotifers collect digestive and excretory wastes in cloacal bladder primitive organ.
[A]: Filter feeders called rotifers collect digestive and excretory wastes in what primitive organ?


[Q]: Vesicles are used during endocytosis to allow molecules to enter the cell.
[A]:
What cellular structure is used during endocytosis to allow molecules to enter the cell?