Orgainsm. This is the only word that makes sense. The statement is already talking about interrelated systems, so system wouldn't be the answer.
Tissue and Organ do not define a functional plant or animal either.
I hope this helps!
It has been stigmatized as result of its higher prevalence among the youths.
These two frog species separate by reduced hybrid viability. In reduced hybrid viability gene of different parent species may interact and impair the hybrid's development while in a reduced hybrid fertility a viable individual is sterile often due to the inability to produce normal gametes in meiosis. Hybrid breakdown; the first generation are viable and fertile, but when they mate the offspring are feeble and sterile.
I believe the answer is C. They are a type of jelly fish.
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