instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
A(n) gastropods is noted for having its eyes at the tips of stalks or tentacles that emerge from its head.
answer:
What type of creature is noted for having its eyes at the tips of stalks or tentacles that emerge from its head?


question:
Deletions remove one or more nucleotides from the dna
answer:
Deletions remove one or more what from the dna?


question:
Animal behavior can be said to be controlled by genetics and experiences, also known as nature and nurture.
answer:

Animal behavior can be said to be controlled by genetics and experiences, also known as nature and what?