The answer would be: C) sexual selection.
Sexual selection happens where one of the individuals choose the partner to sex based on some criteria. In this case, the ability to have a beautiful bower will determinate the ability of the bird to have sex and produce offspring. The criteria are not limited to visual. It could be diverse in other cases, like a deeper croak in frog
Don't Panic
Avoid injury
Salvage all you can
Obtain a source of water
Build a shelter
Find food
Hope that helped have a good day
Autonomic nervous system reactivity in humans appears to be inherited.
Ectotherm can survive with a low calorie diet