Answer:
Science approaches data in a subjective manner....
I think the answer is B.. I’m really not sure
I believe the answer you're looking for is Evolution.
When stating a routine request up front, what you should do
is as you have your request told, you should assume that the audience present
in the situation will be able to comply with the routine request that you have
asked or suggested.
If the producer were to disappear then all the other organisms will either go extinct, survival of the fittest, or have to adapt to the change.