Plants and algae most recently shared a common ancestor 480 million years ago, and plants colonized land shortly after that. light, water, minerals, and dissolved gases surround the whole body of a submerged green alga, and the buoyancy of water provides physical support. what part did plants evolve to absorb gases without drying out on dry land?

sex cells are usually half's then they find another half and make a fertilize egg

the answer would be   10%

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.