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.

Q: Question: Only about one percent of plants have lost what ability, turning them into consumers and even predators, instead of producers? Answer: photosynthesis

A: Only about one percent of plants have lost photosynthesis ability, turning them into consumers and even predators, instead of producers.
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Q: Question: Most protein antigens require signals from helper t cells (th2) to proceed to make what? Answer: antibody

A: Most protein antigens require signals from helper t cells (th2) to proceed to make antibody.
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Q: Question: A skeleton that consists of hard, mineralized structures located within the soft tissue of organisms is called what? Answer: endoskeleton

A:
A skeleton that consists of hard, mineralized structures located within the soft tissue of organisms is called endoskeleton.
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