What is symbiosis grade 7?

Could you elaborate on what you mean by "symbiosis grade 7"? It's not a term commonly used in the cryptocurrency or finance industry, so I'm curious about its context. Are you referring to a specific ranking system, a metric for measuring the success of a symbiotic relationship, or something else entirely? Clarifying the meaning and context of "symbiosis grade 7" would help me provide a more accurate and relevant answer.