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


[Q]: Question: What holds ionic and covalent compounds together? Answer: electrostatic attractions
[A]: Electrostatic attractions holds ionic and covalent compounds together.


[Q]: Question: What type of cells capture light energy, and use carbon dioxide as their carbon source? Answer: photoautotrophs
[A]:
Photoautotrophs capture light energy, and use carbon dioxide as their carbon source.