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Q: A series of organisms feeding on one another at various biotic levels form a ______.
  • A. Food chain
  • B. Food cycle
  • C. Food web
  • D. Food level
Correct Answer: Option A - A food chain can be described as a chain in which there is transfer of matter and energy in the form of food from one organism to another. The food chain begins with producer.
A. A food chain can be described as a chain in which there is transfer of matter and energy in the form of food from one organism to another. The food chain begins with producer.

Explanations:

A food chain can be described as a chain in which there is transfer of matter and energy in the form of food from one organism to another. The food chain begins with producer.