Why are primary producers also referred to as autotrophs? pl help!!! a) They are able to change chemical energy into light energy.
b) They are able to transfer energy throughout an ecosystem.
c) They are able to release energy from other organisms in an ecosystem.
d) They are able to transform energy from an unusable form to a usable form.

The scientific method is a series of steps followed by scientific investigators to answer specific questions about the natural world. it involves making observations, formulating a hypothesis, and conducting scientific experiments.the steps of the scientific method are •observation-the first step of the scientific method involves making an observation about something that interests you•question-once you've made your observation, you must formulate a question about what you have observed. •hypothesis-once you've made your observation, you must formulate a question about what you have observed. •experiment-once you've developed a hypothesis, you must design and conduct an experiment that will test it.•results-the results are where you report what happened in the experiment. •conclusion-the final step of the scientific method is developing a conclusion.i hope that this you : )

Because it's sugar that us the answer