In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

Question: Amoebas have zero options and must preform? Answer: all responsibilities.
if a cell can not specialize then that cell must perform all life functions

Question: Where would rocks be the smoothest? Answer: where water has flowed for years.
contact between rocks over long periods of time causes rocks to smooth

Question: It's quite common for birds feeding on seeds from flowering trees in some tropical waters to get weighed down, pricked and even entangled in the branches because? Answer: the seeds have a thick, sticky coating with hooks.

birds are a vehicle for spreading the seeds of a plant