Why are producers important in a food chain or web why are they always found at the beginning of a food chain

What is the first step in a life cycle of a plant reproduce sexually

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?