C. Quadrupled.
Kinetic energy scales with the square of velocity.
The eukaryotic organisms which were neither plants nor animals were placed into the kingdom Fungi. These were yeasts, molds, and the organisms looking like mushrooms. They have chitin in their cell wall. They are heterotrophs and do not photosynthesize.
People are more afraid to get them today because of the side affects they might cause.
Answer: The contents of the cell, or the structures of the cell, allow the cell to be "specialized." Together with the cell's proteins, they allow the cell to do specific things. They allow a cell to act like a neuron or a bone cell or a skin cell.
Explanation: