Can you elaborate on the rules here? If an organism responds to f, then it responds to g. Contrapositive, if an organism DOESNT respond to g, then it DOESNT respond to f. So, can you explain how there is an answer choice that has WXZ responding to g? Because according to the contrapositive of the aforementioned rule, if Y doesn't respond to g, then it doesn't respond to f. And another rule is that Y responds to f. Can you please clear this up for me?
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Good question, this one had me Stumped for quite a bit as well. I think we are both slightly misreading a rule. It's actually possible that all four organisms respond to G. So, B can happen since the three mentioned would respond to G, in addition to Y. The answer choice never says that those three are the only three respond to G.
