Tussock moths obtain energy by cellular resporation by the oxidation of food they consume. The food they consume is oxidised to synthesize special type of phosphate which is then stored as energy. The energy is utilised by their cells whenever needed.
Well for starters, they do not have leaves which reduces transpiration. They also grow really long roots that can absorb the smallest traces of moisture in the earth.
Because they don't have a or any cells and have no DNA
The place you would find the most mature sepermatozoa in a male reproductive system would be (B). in the ductus deferens and ejaculartory duct