They all have chromosome disorders (irregular number, extra or missing chromosomes)
The fact that causes two distinct pressure zones between the equator and the poles is definitely D. Ionospheric interactions with radiation as Ionosphere is the point <span>of Earth's upper </span>atmosphere which is important thing for <span>pressure zones activities.</span>
Well this has to be your opinion :) but I will tell you autotrophs are organisms that can make their own food, so plants. Heterotrops are organisms that have to get their energy from another source, animals. So would you rather be a plant or animal (like you already are) and why?