In food chain initial organisms are: Ecology and General Silviculture Mcqs July 29, 2019 BILAL KHATTAK0 A.Top consumers B.Secondary consumers C.Primary consumers D.Photo synthesizers Related Mcqs: In food chain, herbivores are: In a food chain the largest population is that of: In a food chain, man is: A food chain consists of: In an ecosystem, the population of: Carnivores are: The Primary Consumers are also called as __________? Which of the following characterizes the biomass in an ecosystem? In a food chain, the initial organism is: In a pyramid of numbers, in a grassland ecosystem, the largest population is that of______________?