jhoward jhoward 30-03-2016 Biology contestada Science 6. Grade 6. Can anyone answer these Science questions soon as possible? I want the answers correct- 100% accurate. Are the following statements below True or False? There are many food chains within a food web. Food chains in an ecosystem have consumers but no producers. A food chain always begins with a producer because these organisms are the source of energy for other organisms in an ecosystem.