Given a scientific question, generate a correct answer to it.

[EX Q]: What occurs when substances move from areas of lower to higher concentration or when very large molecules are transported?
[EX A]: active transport

[EX Q]: Plants have a touch response known as what?
[EX A]: thigmotropism

[EX Q]: Because several genes, each with more than one allele, contribute to determining height in humans, height is considered what kind of trait?
[EX A]:
polygenic