I think it would be the first ones with lower o2 because fish dont breathe oxygene
B, C, D
A is r-selected species
You should start with the smallest magnification, usually the 4x
Hope this helps!
This is the gene cycle and if their mother has different gene then that will happen.
The final electron acceptor is indeed oxygen but let me explain it better: This process occur during cell metabolism. The thing is that the potential of NADH and FADH2 is converted into more ATP, which is the <span>Adenosine triphosphate, through an electron chain that contains oxygen and that is why is called the terminal electron acceptor. </span>
