What is the correct sequence of organisms starting at the base of an energy pyramid and working up ?

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs

What type of plant is good for a bioassay and where can i buy it? i only have a month.