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

Input: Consider Input: Reptiles are described by the term ectothermic, which means their internal temperature depends on the temperature of their environment.

Output: Reptiles are described by what term that means their internal temperature depends on the temperature of their environment?

Input: Consider Input: A volcano chain is formed by subduction of oceanic crust beneath a continental or oceanic plate.

Output: What kind of chain is formed by subduction of oceanic crust beneath a continental or oceanic plate?

Input: Consider Input: Venus planet has a surface temperature of over 400 degrees celsius, no oxygen, an atomsphere comprised mainly of carbon dioxide and tremendous atmospheric pressure.
Output: What planet has a surface temperature of over 400 degrees celsius, no oxygen, an atomsphere comprised mainly of carbon dioxide and tremendous atmospheric pressure?