Answer :
On a food web,the 1st tropic level is made up of autotrophs.above the profucers are the primary consumers.above the primary consumers are the secondary consumers and above them are the tertiary consumers thet are at the top of the food chain.
A food web refers to the graphical or pictorial representation of the food consumption interconnections among living organisms in a particular ecosystem. The food web usually have a base, a middle section and a top section. The base of the food web is made up of plants, which are called the producers. Plants are able to make their own food and others in the web depend on them for food. The middle section is made up of primary consumers, which are those organisms that feed directly on plants while the top section is made up of secondary consumers, which are those that feed on primary consumers.
