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: The heterotroph eats only or mainly what? Answer: plants
The heterotroph eats only or mainly plants.

Question: When substances pass through the cell membrane without needing any energy what is it called? Answer: passive transport
When substances pass through the cell membrane without needing any energy, it is called passive transport.

Question: What determines the color of visible light? Answer: exact wavelength

Exact wavelength determines the color of visible light.