Answer:
the first one is F, the permeability. the second is C
D, because all of the other options say that humans do not cause it, or that it is based on false data.
Option A, The pressures of a hatchery environment and of the wild environment select for different traits.
The various pressures in wild environment include the competition for food and survival, threat of prey etc. The effect of domestication on salmon can also be a reason for its low productivity in wild environment. Some other factors that might have affected the regular productivity of salmon in wild environment include- captive rearing, inbreeding among close relatives and ability of some fish to adapt to the unique hatchery environment.
Pretty sure it would be D because they’d all be Yy