The expert panel says all reasonable possibilities should be considered.

专家小组表示，应该考虑所有合理的可能性。

But the general consensus is it seems like a reasonable possibility.

但普遍的共识是，这似乎是一种合理的可能性。

From an evolutionary point of view, it's a reasonable possibility that it is.

从进化的角度来看，这是一个合理的可能性。