The sequence of species through which organic food passes in a community is called 

• A food chain is a linear sequence of creatures through which nutrients and energy move when one organism consumes another.
• Each creature in a food chain is assigned to a particular trophic level based on how many energy transfers it from the network's fundamental input.
• Starting point of a food chain is produce and most of the time food chain ends at tertiary consumer.
• As a result, the correct answer is 'food chain.'

Hence, option A is the correct answer.