Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Q: Question: Which type of plankton make food via photosynthesis? Answer: phytoplankton

A: Phytoplankton are "plant-like" plankton. Since they make food by photosynthesis, they live in the photic zone. Most are algae.
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Q: Question: In what state of matter is butter at room temperature? Answer: solid

A: 6. Butter is a fat that is a solid at room temperature. What type of fatty acids does butter contain? How do you know?.
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Q: Question: What evolutionary process may affect the distribution of a polygenic trait? Answer: natural selection

A:
Natural Selection for a Polygenic Trait. Natural selection may affect the distribution of a polygenic trait. These graphs show three ways this can happen.
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