instruction:
In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
question:
Question: Organisms incapable of photosynthesis that must therefore obtain energy and carbon from food by consuming other organisms are called what? Answer: heterotrophs
answer:
Organisms incapable of photosynthesis that must therefore obtain energy and carbon from food by consuming other organisms are called heterotrophs.

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Question: What is the term for the transfer of heat by a current? Answer: convection
answer:
Convection is the term for the transfer of heat by a current.

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Question: In prokaryotes, what is composed of a single, double-stranded dna molecule in the form of a loop or circle? Answer: genome
answer:
In prokaryotes, a(n) genome is composed of a single, double-stranded dna molecule in the form of a loop or circle.