Life Evolved in the Oceans Long Before It Evolved on Land.Which

Life evolved in the oceans long before it evolved on land.Which of the following had to occur before organisms were able to live on land?

A) The Earth's landmasses had to become wetter.
B) Organisms had to adapt to the harsh, dry conditions faced by life on land.
C) Animals had to develop internal skeletons and efficient transport mechanisms.
D) The supercontinent Pangaea had to break up into subcontinents.