question: What are the 2 main germ systems in the Ctenophora and the Cnidaria called ?
answer: ectoderm and endoderm
turker_answer: Ectoderm and endoderm are the 2 main germ systems in the Ctenophora and the Cnidaria .
rule-based: The 2 main germ systems in the Ctenophora and the Cnidaria are called ectoderm and endoderm .