Water is not wet. Water only has the ability to get other things wet
C.
Every change in a species is coded within the DNA. But the bird had lost a toe an accident. So the toe-loosing-option isn't true because not every bird looses his toe.
(Example: If a women gets bitten by a snake on the arm and gets the arm removed from her body and then in a year or so has a baby with her new husband. The baby won't be born with one arm because his/her mother lost her arm.) <span />
Vacuoles are <span>large saclike, membrane enclosed structure - store materials like water, salts, protrins, and carbohydrates - like a storage unit</span>
Petiole, hopefully this helps you
Global warming is the answer