Question

A series of interconnected food chains are known as

Answer 1

I believe the answer to this question is a food web.

Food Web definition: "a series of organisms related by predator-prey and consumer-resource interactions; the entirety of interrelated food chains in an ecological community." 

Source: http://www.dictionary.com/browse/food-web

Answer 2

Answer: The correct answer is-

A Food web.

A Food web can be described as a system of various food chains that are interconnected with each other within an ecosystem.

In other words, when several food chains are interlinked through transfer of energy, it represents a wood Web.

It depicts various paths of transfer of energy (in the form of organic matter) within an ecosystem.

Thus, food web is the right answer.