Producers: Create food/Product
Consumers: Eat the food/Use the product
Decomposers: They can decompose after death. They could be Producers or Consumers while they are living, but ya' know... they are dead now, so....
I hope I helped.
Process by which rocks and minerals undergo a change in their compostion
Factors in an enviroment change so species also need to evolve
The answer would be the second option. The best reason for doing more background research after making an observation and before forming a hypothesis is to prevent making the same mistakes made in a prior experiment. It is to make sure that you are able to see the problems of a research and make an experimental design that will minimize the errors.
