A sequence of species through which the organic molecules in a community pass is called
Food chain
The correct option is A.
Explanation of the correct option :
Explanation of the incorrect option:
Option B:
In a particular ecosystem, number of food chains overlap and interconnect to form an interlocking, interlinking and interdependent pattern of network called food web.
Option C:
In ecology instead of food cycle food chain is the more accurate term to define sequential arrangement of producer and consumers.
Option D:
A nutrient cycle is a repeated pathway by which a particular nutrient or element pass from the environment to one or more organisms and again back to the environment. Example: carbon cycle, oxygen cycle, nitrogen cycle etc.
Final answer: A sequence of species through which the organic molecules in a community pass is called: food chain.