Evolving. because science is always finding new things everyday and is discovering how things become more things. that is basically evolution.
Sodium, potassium, chloride and calcium ions are important for establishing the resting potential of the cell. The sodium-potassium gradient is maintained by a pump which transports 2 potassium inside the cell and 3 sodium ions outside the cell.
The answer would be C, double fertilization produces a triploid zygote and a tripped endosperm!
