Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[Q]: Matter that mechanical wave energy can only travel through is medium.
[A]: What is the name of matter that mechanical wave energy can only travel through?


[Q]: Single-celled eukaryotes that share some traits with animals are also called?
[A]: Single-celled eukaryotes that share some traits with animals are also called?


[Q]: Vertical layering is an important feature of the terrestrial type of biome kind of community.
[A]:
Vertical layering is an important feature of the terrestrial type of what kind of community?