If think about it if it was asexual then it came from 1 parent so it would be W
Bugs with shorter bills had more access to sustenance, enabling them to deliver all the more posterity. Bugs that happened to have short breaks were better ready to feast upon the little organic products. Their expanded access to nourishment enabled them to deliver all the more posterity, which likewise had little snouts. In any case, bugs with little bills did not emerge so as to feast upon the little natural products. Transformative change comes to fruition as the extent of people in the populace showing a specific characteristic increments from age to age. The characteristic does not change step by step in all individuals from the populace.
When coming to building something, some materials are more vulnerable to water and can wear away easier. Some can keep the water in, so depending on the material, the water quality can be better sustained.
95% sure it is answer B) Detect the electrical discharges of prey in the sand using small pits on it's bill, crush the food with grinding pads on the top and bottom of it's bill (they don't have actual teeth), and webbed feet.
I did some quick research and it had all of those things.
Hope this helps.
The antidiuretic hormone, otherwise called vasopressin is made in the region of the brain called hypothalamus. The cells of the hypothalamus excrete this hormone through the connection they have with the pituitary gland. From this gland, the hormone is released into the bloodstream and eventually comes down to kidneys, affecting the kidney tubules, making them conserve water by transporting them back to the bloodstream.