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

Deletions remove one or more nucleotides from the dna
Deletions remove one or more what from the dna?

600 million many years ago may the earliest fungi have evolved.
How many years ago may the earliest fungi have evolved?

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

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