instruction:
In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
question:
Question: Organisms categorized by what species descriptor demonstrate a version of allopatric speciation and have limited regions of overlap with one another, but where they overlap they interbreed successfully? Answer: ring species
answer:
Organisms categorized by ring species species descriptor demonstrate a version of allopatric speciation and have limited regions of overlap with one another, but where they overlap they interbreed successfully.


question:
Question: What is the name of film that polyester fibers form? Answer: mylar
answer:
The name of film that polyester fibers form is mylar.


question:
Question: What type of cell has negative anode is positive cathode? Answer: voltaic cell
answer:

Voltaic cell type of cell has negative anode is positive cathode.